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solar cycle 25

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The Sun Has A "Heartbeat" And It Might Affect Earth More Than We ThoughtA split image showing an active Sun during solar maximum (on the left, taken in 2014) and a quiet Sun during solar minimum (on the right, taken in 2019).

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The Sun Has A "Heartbeat" And It Might Affect Earth More Than We ThoughtA split image showing an active Sun during solar maximum (on the left, taken in 2014) and a quiet Sun during solar minimum (on the right, taken in 2019).
space-iconAstronomy

The Sun Has A "Heartbeat" And It Might Affect Earth More Than We Thought

clock-iconJune 1, 2026

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Sun Flings Coronal Mass Ejection Our Way – Chances To See Auroras Are Extremely Good This WeekA hoker lookin at the sky filled with aurorae

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Sun Flings Coronal Mass Ejection Our Way – Chances To See Auroras Are Extremely Good This WeekA hoker lookin at the sky filled with aurorae
space-iconAstronomy

Sun Flings Coronal Mass Ejection Our Way – Chances To See Auroras Are Extremely Good This Week

clock-iconMarch 18, 2026
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The Sun Lost Its Spots – Our Star Has Experienced Its First Blemish-Free Days In 4 YearsThree images of the Sun across three days showing no sunspots.

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The Sun Lost Its Spots – Our Star Has Experienced Its First Blemish-Free Days In 4 YearsThree images of the Sun across three days showing no sunspots.
space-iconAstronomy

The Sun Lost Its Spots – Our Star Has Experienced Its First Blemish-Free Days In 4 Years

clock-iconFebruary 25, 2026

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What Killed Off SpaceX's Starlink Satellites? It Might Have Been The "Terminator"broken satelites burn like meteors in the sky at night.

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What Killed Off SpaceX's Starlink Satellites? It Might Have Been The "Terminator"broken satelites burn like meteors in the sky at night.
space-iconAstronomy

What Killed Off SpaceX's Starlink Satellites? It Might Have Been The "Terminator"

clock-iconApril 24, 2025
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Obscure 100-Year Solar Cycle May Have Hit Minimum – Expect More Activity For Decades To ComeA bright flash overexposed in the camera is seen in this image of the Sun in ultravioler. A lot of filaments are seen stretching from the surface.

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Obscure 100-Year Solar Cycle May Have Hit Minimum – Expect More Activity For Decades To ComeA bright flash overexposed in the camera is seen in this image of the Sun in ultravioler. A lot of filaments are seen stretching from the surface.
space-iconAstronomy

Obscure 100-Year Solar Cycle May Have Hit Minimum – Expect More Activity For Decades To Come

clock-iconApril 18, 2025
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As The Sun Officially Hits Solar Maximum, We Are Studying Our Star Like Never BeforeNASA’s Solar Dynamics Observatory captured the largest solar flare of solar cycle 25 yet – an X.90 flare seen as the bright flash in the center – on October 3, 2024.

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As The Sun Officially Hits Solar Maximum, We Are Studying Our Star Like Never BeforeNASA’s Solar Dynamics Observatory captured the largest solar flare of solar cycle 25 yet – an X.90 flare seen as the bright flash in the center – on October 3, 2024.
Premium Feature
space-iconAstronomy

As The Sun Officially Hits Solar Maximum, We Are Studying Our Star Like Never Before

clock-iconOctober 20, 2024
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Expect Geomagnetic Storms And Aurora: The Sun Has Reached Solar Maximum, NASA AnnouncesThe Sun as it is today, during the solar maximum period.

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Expect Geomagnetic Storms And Aurora: The Sun Has Reached Solar Maximum, NASA AnnouncesThe Sun as it is today, during the solar maximum period.
space-iconAstronomy

Expect Geomagnetic Storms And Aurora: The Sun Has Reached Solar Maximum, NASA Announces

clock-iconOctober 16, 2024
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Fastest Coronal Mass Ejection Of This Cycle Triggers Severe Geomagnetic Storm Warninga few houses are seen at the bottom of the photo. In the night sky a stripe of green and a stripe of purple are visible, the aurora

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Fastest Coronal Mass Ejection Of This Cycle Triggers Severe Geomagnetic Storm Warninga few houses are seen at the bottom of the photo. In the night sky a stripe of green and a stripe of purple are visible, the aurora
space-iconSpace and Physics

Fastest Coronal Mass Ejection Of This Cycle Triggers Severe Geomagnetic Storm Warning

clock-iconOctober 10, 2024
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Geomagnetic Storms Imminent After Strongest Solar Flare This Cycle – And For 7 YearsAn ultraviolet view of the Sun. In the lower center a bright oversaturared spot of light is visible on the isk. The location of the flare.

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Geomagnetic Storms Imminent After Strongest Solar Flare This Cycle – And For 7 YearsAn ultraviolet view of the Sun. In the lower center a bright oversaturared spot of light is visible on the isk. The location of the flare.
space-iconAstronomy

Geomagnetic Storms Imminent After Strongest Solar Flare This Cycle – And For 7 Years

clock-iconOctober 4, 2024
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Sun Displays First Sign Of Next Solar Cycle – But We're In The Middle Of This OneA picutre of the sun in ultraviolet. There are a lot of active regions with arcs of plasma leaving and coming back to the surface

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Sun Displays First Sign Of Next Solar Cycle – But We're In The Middle Of This OneA picutre of the sun in ultraviolet. There are a lot of active regions with arcs of plasma leaving and coming back to the surface
EXCLUSIVE
space-iconAstronomy

Sun Displays First Sign Of Next Solar Cycle – But We're In The Middle Of This One

clock-iconJuly 19, 2024
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Why Were Aurorae Seen So Far Away From The Poles This Weekend?Many colors aurorae are visible in the sky over the ocean. A person is siluheatted against them

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Why Were Aurorae Seen So Far Away From The Poles This Weekend?Many colors aurorae are visible in the sky over the ocean. A person is siluheatted against them
space-iconAstronomy

Why Were Aurorae Seen So Far Away From The Poles This Weekend?

clock-iconMay 13, 2024
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Watch Two Connected Solar Flares Explode Half-Way Across The Sun From Each OtherThe simultaneous flares came from the AR3559 group(top center) and AR3561, the lower line of spots on the right of the photo.

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Watch Two Connected Solar Flares Explode Half-Way Across The Sun From Each OtherThe simultaneous flares came from the AR3559 group(top center) and AR3561, the lower line of spots on the right of the photo.
space-iconAstronomy

Watch Two Connected Solar Flares Explode Half-Way Across The Sun From Each Other

clock-iconJanuary 24, 2024
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Listen To The Radio Blackout Created By The Strongest Solar Flare In 6 YearsAn image of the Sun in UV showing among many feature the overexposed effect of a flare on the detector

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Listen To The Radio Blackout Created By The Strongest Solar Flare In 6 YearsAn image of the Sun in UV showing among many feature the overexposed effect of a flare on the detector
space-iconSpace and Physics

Listen To The Radio Blackout Created By The Strongest Solar Flare In 6 Years

clock-iconDecember 20, 2023
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The Sun Just Unleashed The Most Powerful Solar Flare Seen In 6 YearsA picture of the Sun in ultraviole showign lots of activity and a flare towards the right side of the disk, saturating the camera.

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The Sun Just Unleashed The Most Powerful Solar Flare Seen In 6 YearsA picture of the Sun in ultraviole showign lots of activity and a flare towards the right side of the disk, saturating the camera.
space-iconAstronomy

The Sun Just Unleashed The Most Powerful Solar Flare Seen In 6 Years

clock-iconDecember 15, 2023
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The Solar Maximum Is Hurtling Toward Us Faster Than Official Predictions Had ThoughtA cropepd view of the Sun showing the many areas of activity with magnetic fields streching beyond the surface

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The Solar Maximum Is Hurtling Toward Us Faster Than Official Predictions Had ThoughtA cropepd view of the Sun showing the many areas of activity with magnetic fields streching beyond the surface
space-iconAstronomy

The Solar Maximum Is Hurtling Toward Us Faster Than Official Predictions Had Thought

clock-iconOctober 31, 2023
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