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Two “Super-Puff Planets” The Size Of Jupiter Have Masses 10-20 Times That Of Earth – And A Lower Density Than Cotton CandyArtist's impression of TOI-791 and its two known planets. The apparent size difference is meant to reflect perspective, but is quite close to the difference in size between one of these and Earth

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Two “Super-Puff Planets” The Size Of Jupiter Have Masses 10-20 Times That Of Earth – And A Lower Density Than Cotton CandyArtist's impression of TOI-791 and its two known planets. The apparent size difference is meant to reflect perspective, but is quite close to the difference in size between one of these and Earth
space-iconAstronomy

Two “Super-Puff Planets” The Size Of Jupiter Have Masses 10-20 Times That Of Earth – And A Lower Density Than Cotton Candy

clock-iconJune 25, 2026

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WASP-94A b: The Exoplanet Where Clouds Of Rock Form In The Morning And Vanish Every NightArtist impression of WASP-94A b, a gas giant with clouds only on the morning side.

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WASP-94A b: The Exoplanet Where Clouds Of Rock Form In The Morning And Vanish Every NightArtist impression of WASP-94A b, a gas giant with clouds only on the morning side.
space-iconAstronomy

WASP-94A b: The Exoplanet Where Clouds Of Rock Form In The Morning And Vanish Every Night

clock-iconJune 4, 2026
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New Graph Mapping Density Of Every Object In The Universe, From Asteroids To Black Holes, Comes With A Few SurprisesAbstract of differently-sized planets.

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New Graph Mapping Density Of Every Object In The Universe, From Asteroids To Black Holes, Comes With A Few SurprisesAbstract of differently-sized planets.
space-iconAstronomy

New Graph Mapping Density Of Every Object In The Universe, From Asteroids To Black Holes, Comes With A Few Surprises

clock-iconMay 15, 2026

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JWST Observations Redefine Just How Big A Planet Can Get – And It's Bigger Than We ThoughtArtists impression showing 29 cygni b in the foreground and its star in the distance.

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JWST Observations Redefine Just How Big A Planet Can Get – And It's Bigger Than We ThoughtArtists impression showing 29 cygni b in the foreground and its star in the distance.
space-iconAstronomy

JWST Observations Redefine Just How Big A Planet Can Get – And It's Bigger Than We Thought

clock-iconApril 16, 2026

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"Forbidden" Planet Too Big For Its Star Has An Atmosphere Like None We've Seen BeforeIllustration shows a jupiter-like planet around a red star. The planet is very large relative to the star compared with a normal stellar system..

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"Forbidden" Planet Too Big For Its Star Has An Atmosphere Like None We've Seen BeforeIllustration shows a jupiter-like planet around a red star. The planet is very large relative to the star compared with a normal stellar system..
space-iconAstronomy

"Forbidden" Planet Too Big For Its Star Has An Atmosphere Like None We've Seen Before

clock-iconApril 6, 2026

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Huge New Discovery Demonstrates Why We've Only Bothered To Name 22 Percent Of Saturn's MoonsIllustration of the Huygens probe descending through Titan's atmosphere.

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Huge New Discovery Demonstrates Why We've Only Bothered To Name 22 Percent Of Saturn's MoonsIllustration of the Huygens probe descending through Titan's atmosphere.
space-iconSpace and Physics

Huge New Discovery Demonstrates Why We've Only Bothered To Name 22 Percent Of Saturn's Moons

clock-iconMarch 23, 2026

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"Completely Unexplained" Dark Beads And Star-Shaped Structure Seen In Saturn's Atmosphere By JWSTSaturn's hexagon, viewed from above.

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"Completely Unexplained" Dark Beads And Star-Shaped Structure Seen In Saturn's Atmosphere By JWSTSaturn's hexagon, viewed from above.
space-iconAstronomy

"Completely Unexplained" Dark Beads And Star-Shaped Structure Seen In Saturn's Atmosphere By JWST

clock-iconSeptember 23, 2025
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Forget Alien Spacecrafts: Could Interstellar Object 3I/ATLAS Be A Planet-Forming Seed?Interstellar comet 3I/Atlas imaged by the Hubble Space Telescope.

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Forget Alien Spacecrafts: Could Interstellar Object 3I/ATLAS Be A Planet-Forming Seed?Interstellar comet 3I/Atlas imaged by the Hubble Space Telescope.
space-iconAstronomy

Forget Alien Spacecrafts: Could Interstellar Object 3I/ATLAS Be A Planet-Forming Seed?

clock-iconSeptember 22, 2025
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How Do You Age A Gas Giant? Jupiter's Age Revealed By "Molten Rock Raindrops"Round chondrules seen in the Allende meteorite.

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How Do You Age A Gas Giant? Jupiter's Age Revealed By "Molten Rock Raindrops"Round chondrules seen in the Allende meteorite.
space-iconAstronomy

How Do You Age A Gas Giant? Jupiter's Age Revealed By "Molten Rock Raindrops"

clock-iconAugust 27, 2025

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Does Jupiter Have A Solid Core, And If So, How Big Is It?Jupiter in Color, by Cassini

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Does Jupiter Have A Solid Core, And If So, How Big Is It?Jupiter in Color, by Cassini
space-iconSpace and Physics

Does Jupiter Have A Solid Core, And If So, How Big Is It?

clock-iconAugust 15, 2025
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Uranus Is 12.5 Percent Hotter Than We Thought, And Scientists Want A Closer LookUranus, imaged by Voyager 2.

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Uranus Is 12.5 Percent Hotter Than We Thought, And Scientists Want A Closer LookUranus, imaged by Voyager 2.
space-iconSpace and Physics

Uranus Is 12.5 Percent Hotter Than We Thought, And Scientists Want A Closer Look

clock-iconAugust 14, 2025
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Is NASA's Claim That Saturn Could Float On Water Really True?A ringed gas giant above a watery, rocky planet.

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Is NASA's Claim That Saturn Could Float On Water Really True?A ringed gas giant above a watery, rocky planet.
space-iconSpace and Physics

Is NASA's Claim That Saturn Could Float On Water Really True?

clock-iconJuly 17, 2025
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What NASA's Galileo Spacecraft Saw As It Plunged Into JupiterArtist impression of Galileo probe entering Jupiter.

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What NASA's Galileo Spacecraft Saw As It Plunged Into JupiterArtist impression of Galileo probe entering Jupiter.
space-iconSpace and Physics

What NASA's Galileo Spacecraft Saw As It Plunged Into Jupiter

clock-iconJuly 8, 2025
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"Potential Impact On Saturn": Astronomers Appeal For Help As Video Appears To Show Object Hitting The Gas GiantSaturn, captured by Cassini.

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"Potential Impact On Saturn": Astronomers Appeal For Help As Video Appears To Show Object Hitting The Gas GiantSaturn, captured by Cassini.
space-iconAstronomy

"Potential Impact On Saturn": Astronomers Appeal For Help As Video Appears To Show Object Hitting The Gas Giant

clock-iconJuly 7, 2025
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Simulations Of Early Solar Systems Find Up To 40 Percent Chance That Planet Nine ExistsArtist impression of the Solar System.

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Simulations Of Early Solar Systems Find Up To 40 Percent Chance That Planet Nine ExistsArtist impression of the Solar System.
space-iconAstronomy

Simulations Of Early Solar Systems Find Up To 40 Percent Chance That Planet Nine Exists

clock-iconJune 19, 2025
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