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        <loc>https://www.iflscience.com/the-pink-planet-gj504b-appears-to-have-a-surprising-new-quirk-clouds-made-of-metal-salts-83844</loc>
        <lastmod>2026-06-18T14:04:54+00:00</lastmod>
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            <news:publication_date>2026-06-18T14:03:31+00:00</news:publication_date>
            <news:title><![CDATA[The "Pink Planet" GJ504b Appears To Have a Surprising New Quirk: Clouds Made Of Metal Salts]]></news:title>
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            <image:title><![CDATA[artist impression of a bright pink planet with a distant bright star]]></image:title>
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        <loc>https://www.iflscience.com/the-peculiar-science-of-weighing-space-objects-from-planets-to-supermassive-black-holes-83833</loc>
        <lastmod>2026-06-18T13:36:18+00:00</lastmod>
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            <news:publication_date>2026-06-18T13:36:13+00:00</news:publication_date>
            <news:title><![CDATA[The Peculiar Science Of Weighing Space Objects, From Planets To Supermassive Black Holes]]></news:title>
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            <image:title><![CDATA[three concentric rings of different thickness are visible in this image]]></image:title>
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            <image:title><![CDATA[a cartoon scale holding a planet on one side and a galaxy on the other]]></image:title>
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        <loc>https://www.iflscience.com/people-are-confused-why-you-really-shouldnt-stack-rocks-whilst-hiking-nor-touch-them-if-you-find-them-83823</loc>
        <lastmod>2026-06-18T13:25:41+00:00</lastmod>
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            <news:publication_date>2026-06-18T13:25:41+00:00</news:publication_date>
            <news:title><![CDATA[People Are Confused Why You Really Shouldn't Stack Rocks Whilst Hiking, Nor Touch Them If You Find Them]]></news:title>
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            <image:title><![CDATA[cairn]]></image:title>
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        <loc>https://www.iflscience.com/500-years-before-humans-built-stonehenge-they-made-a-prototype-that-lined-up-with-the-sun-83836</loc>
        <lastmod>2026-06-18T13:05:11+00:00</lastmod>
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            <news:publication_date>2026-06-17T23:01:30+00:00</news:publication_date>
            <news:title><![CDATA[500 Years Before Humans Built Stonehenge, They Made A "Prototype" That Lined Up With The Sun]]></news:title>
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            <image:title><![CDATA[Henge]]></image:title>
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            <image:title><![CDATA[Wessex Archaeology]]></image:title>
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            <image:title><![CDATA[Shard]]></image:title>
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    <url>
        <loc>https://www.iflscience.com/should-we-send-signals-to-aliens-iflscience-the-big-questions-83841</loc>
        <lastmod>2026-06-18T12:01:40+00:00</lastmod>
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            <news:publication_date>2026-06-18T12:01:40+00:00</news:publication_date>
            <news:title><![CDATA[Should We Send Signals To Aliens? | IFLScience The Big Questions]]></news:title>
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            <image:title><![CDATA[The big questions should we send signals to aliens. ]]></image:title>
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    <url>
        <loc>https://www.iflscience.com/iflscience-visits-the-worlds-largest-and-deepest-artesian-basin-and-discovers-why-its-so-wondrous-and-makes-great-baths-83824</loc>
        <lastmod>2026-06-18T09:56:24+00:00</lastmod>
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            <news:publication_date>2026-06-18T09:56:17+00:00</news:publication_date>
            <news:title><![CDATA[IFLScience Visits The World's Largest And Deepest Artesian Basin And Discovers Why It's So Wondrous – And Makes Great Baths]]></news:title>
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            <image:title><![CDATA[lightning ridge]]></image:title>
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    <url>
        <loc>https://www.iflscience.com/skeleton-of-unborn-neanderthal-helps-reveal-how-they-developed-in-the-womb-83831</loc>
        <lastmod>2026-06-17T16:39:30+00:00</lastmod>
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            <news:publication_date>2026-06-17T15:11:21+00:00</news:publication_date>
            <news:title><![CDATA[Skeleton Of Unborn Neanderthal Helps Reveal How They Developed In The Womb]]></news:title>
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            <image:title><![CDATA[Unborn baby]]></image:title>
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    <url>
        <loc>https://www.iflscience.com/the-usa-is-about-to-bury-a-time-capsule-3-meters-underground-not-to-be-opened-until-july-4-2276-83827</loc>
        <lastmod>2026-06-17T16:39:13+00:00</lastmod>
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            <news:publication_date>2026-06-17T14:15:37+00:00</news:publication_date>
            <news:title><![CDATA[The USA Is About To Bury A Time Capsule 3 Meters Underground, Not To Be Opened Until July 4, 2276]]></news:title>
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            <image:loc>https://assets.iflscience.com/assets/articleNo/83827/aImg/91065/time%20capsule.png</image:loc>
            <image:title><![CDATA[America250 time capsule]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/since-1986-over-600-nuns-have-taken-part-in-a-huge-study-of-brain-aging-this-is-what-theyve-taught-us-83835</loc>
        <lastmod>2026-06-17T16:38:40+00:00</lastmod>
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            <news:publication_date>2026-06-17T16:17:51+00:00</news:publication_date>
            <news:title><![CDATA[Since 1986, Over 600 Nuns Have Taken Part In A Huge Study Of Brain Aging. This Is What They’ve Taught Us]]></news:title>
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            <image:loc>https://assets.iflscience.com/assets/articleNo/83835/aImg/91087/Nun%20Study.jpg</image:loc>
            <image:title><![CDATA[Nun study]]></image:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83835/iImg/91088/24239522109_6b061a9d69_o.jpg</image:loc>
            <image:title><![CDATA[AD brain comparison]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/tiny-adorable-new-walking-shark-discovered-dubbed-lazy-shark-by-locals-due-to-its-unhurried-gait-83832</loc>
        <lastmod>2026-06-17T16:36:17+00:00</lastmod>
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            <news:publication_date>2026-06-17T16:32:03+00:00</news:publication_date>
            <news:title><![CDATA[Tiny Adorable New Walking Shark Discovered, Dubbed “Lazy Shark” By Locals Due To Its Unhurried Gait]]></news:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83832/aImg/91075/Finding%20-J%20Blakeway%20(l-r),%20M%20Erdmann,%20C%20Dudgeon.%20Pic%20Nesha%20Ichida.jpg</image:loc>
            <image:title><![CDATA[walking shark diver pic]]></image:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83832/iImg/91076/H.%20dudgeonae.%20Photo%20Mark%20Erdmann.jpg</image:loc>
            <image:title><![CDATA[H. Dudgeonae]]></image:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83832/iImg/91077/shutterstock_2727399435.jpg</image:loc>
            <image:title><![CDATA[Milne bay PNG]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/earth-may-have-showered-europa-with-800-sextillion-dust-grains-and-seeded-its-oceans-with-life-83829</loc>
        <lastmod>2026-06-17T16:23:23+00:00</lastmod>
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            <news:publication>
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                <news:language>en</news:language>
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            <news:publication_date>2026-06-17T16:22:09+00:00</news:publication_date>
            <news:title><![CDATA[Earth May Have Showered Europa With 800 Sextillion Dust Grains, And Seeded Its Oceans With Life]]></news:title>
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            <image:loc>https://assets.iflscience.com/assets/articleNo/83829/aImg/91078/europa2.png</image:loc>
            <image:title><![CDATA[europa]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/unearthing-a-5500-year-old-tragedy-the-oldest-known-outbreak-of-plague-has-been-found-in-siberia-83830</loc>
        <lastmod>2026-06-17T15:13:03+00:00</lastmod>
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                <news:language>en</news:language>
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            <news:publication_date>2026-06-17T15:00:43+00:00</news:publication_date>
            <news:title><![CDATA[Unearthing A 5,500-Year-Old Tragedy: The Oldest Known Outbreak Of Plague Has Been Found In Siberia]]></news:title>
        </news:news>
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            <image:loc>https://assets.iflscience.com/assets/articleNo/83830/aImg/91069/Skeleton.png</image:loc>
            <image:title><![CDATA[Plague ]]></image:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83830/iImg/91072/The%20skull%20of%20a%209-11%20year%20old%20girl.jpg</image:loc>
            <image:title><![CDATA[Skull]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/world-first-trial-to-reprogram-broken-cells-in-glaucoma-begins-in-humans-but-is-it-just-hype-83826</loc>
        <lastmod>2026-06-17T10:50:48+00:00</lastmod>
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                <news:language>en</news:language>
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            <news:publication_date>2026-06-17T10:50:47+00:00</news:publication_date>
            <news:title><![CDATA[World First Trial To "Reprogram" Broken Cells In Glaucoma Begins In Humans – But Is It Just Hype?]]></news:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83826/aImg/91067/Le%20Crop.jpg</image:loc>
            <image:title><![CDATA[Mouse retina]]></image:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83826/iImg/91068/Eye_exam_(14280265927).jpg</image:loc>
            <image:title><![CDATA[Eye test]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/interesting-challenging-and-all-involving-inside-the-ocean-expedition-that-used-lasers-to-discover-31-new-species-83816</loc>
        <lastmod>2026-06-16T16:49:04+00:00</lastmod>
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                <news:name>IFLScience</news:name>
                <news:language>en</news:language>
            </news:publication>
            <news:publication_date>2026-06-16T15:55:04+00:00</news:publication_date>
            <news:title><![CDATA["Interesting, Challenging, And All-Involving": Inside The Ocean Expedition That Used Lasers To Discover 31 New Species]]></news:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83816/aImg/91050/FKt260415-S0915-20260424T233320Z-0-scicam-Haliphron_Atlanticus_Jellyfish_Meal.jpg</image:loc>
            <image:title><![CDATA[Haliphron atlanticus]]></image:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83816/iImg/91051/FKt260415-20260420-LabImaging-Ingle-2028.jpg</image:loc>
            <image:title><![CDATA[MBARI tech]]></image:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83816/iImg/91052/FKt260415-S0903-20260418T180740Z-0-scicam-DeepPIVGalaxySipho.jpg</image:loc>
            <image:title><![CDATA[Siphonophore]]></image:title>
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        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83816/iImg/91053/Video%20Project%204.gif</image:loc>
            <image:title><![CDATA[siphonophore scan gif]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/in-2018-scientists-recorded-orcas-mimicking-human-language-for-the-first-time-in-history-83818</loc>
        <lastmod>2026-06-16T16:10:54+00:00</lastmod>
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            <news:publication>
                <news:name>IFLScience</news:name>
                <news:language>en</news:language>
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            <news:publication_date>2026-06-16T16:10:09+00:00</news:publication_date>
            <news:title><![CDATA[In 2018, Scientists Recorded Orcas Mimicking Human Language For The First Time In History]]></news:title>
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            <image:loc>https://assets.iflscience.com/assets/articleNo/83818/aImg/91063/orca.png</image:loc>
            <image:title><![CDATA[orca]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/all-aboard-google-earth-has-just-made-its-flight-simulator-freely-available-on-desktop-83828</loc>
        <lastmod>2026-06-16T16:00:59+00:00</lastmod>
        <news:news>
            <news:publication>
                <news:name>IFLScience</news:name>
                <news:language>en</news:language>
            </news:publication>
            <news:publication_date>2026-06-16T15:58:19+00:00</news:publication_date>
            <news:title><![CDATA[All Aboard: Google Earth Has Just Made Its Flight Simulator Freely Available On Desktop]]></news:title>
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            <image:loc>https://assets.iflscience.com/assets/articleNo/83828/aImg/91064/Google%20Earth.png</image:loc>
            <image:title><![CDATA[Google Earth Flight Simulator]]></image:title>
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    </url>
    <url>
        <loc>https://www.iflscience.com/tiger-caught-on-film-babysitting-another-mothers-cubs-in-the-wild-for-the-first-time-83825</loc>
        <lastmod>2026-06-16T14:54:03+00:00</lastmod>
        <news:news>
            <news:publication>
                <news:name>IFLScience</news:name>
                <news:language>en</news:language>
            </news:publication>
            <news:publication_date>2026-06-16T14:40:54+00:00</news:publication_date>
            <news:title><![CDATA[Tiger Caught On Film Babysitting Another Mother's Cubs In The Wild For The First Time]]></news:title>
        </news:news>
        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83825/aImg/91062/557906.jpg</image:loc>
            <image:title><![CDATA[Goma]]></image:title>
        </image:image>
    </url>
    <url>
        <loc>https://www.iflscience.com/in-the-worlds-most-remote-prehistoric-settlement-people-ate-polar-bears-invented-dog-sledding-and-traded-obsidian-over-1500-kilometers-83821</loc>
        <lastmod>2026-06-16T14:16:31+00:00</lastmod>
        <news:news>
            <news:publication>
                <news:name>IFLScience</news:name>
                <news:language>en</news:language>
            </news:publication>
            <news:publication_date>2026-06-16T14:12:00+00:00</news:publication_date>
            <news:title><![CDATA[In The World’s Most Remote Prehistoric Settlement, People Ate Polar Bears, Invented Dog Sledding, And Traded Obsidian Over 1,500 Kilometers]]></news:title>
        </news:news>
        <image:image>
            <image:loc>https://assets.iflscience.com/assets/articleNo/83821/aImg/91059/thomas-lipke-oIuDXlOJSiE-unsplash.jpg</image:loc>
            <image:title><![CDATA[Dog sledging]]></image:title>
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