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Sun

What you need to know about our 4-billion-year-old star, its scalding 10,000-degree surface, and its giant magnetic field farts.

Latest in Sun

Phobos passing across Sun as seen by Perseverance rover on Mars
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Googly-eyed potato eclipse filmed by NASA’s Perseverance rover

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Illustration of the global coronal magnetic field as the sun rotates. The background is the solar corona observed in extreme-ultraviolet waveband, with global coronal magnetic field maps measured at different time overlapped on top of it.
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The sun’s magnetic field is where the ‘stuff’ is. It can be dangerous.

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A black and white image shows a silvery sheet of material toward the bottom
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NASA releases first photo of 860-square-foot solar sail in orbit

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Astronomy: the corona of the sun, viewed during a total solar eclipse. Process print after a photograph, 1871.
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a red aurora along with the stars of the milky way over mountains
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19 magnificent images from the Astronomy Photographer of the Year shortlist

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Image of June 3, 2024, solar flare
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Watch a wild ‘failed eruption’ solar flare

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Image of sun highlighting four solar events
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Rare quadruple solar flare event captured by NASA

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ACS3 solar sail concept art above Earth
Science

NASA will unfurl a 860-square-foot solar sail from within a microwave-sized cube

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People looking up at eclipse wearing protective glasses
Technology

Internet use dipped in the eclipse’s path of totality

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a couple wearing glasses sits on the grass watching the eclipse
Science

How to look at the eclipse without damaging your eyes

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A cardboard pinhole camera to watch an eclipse
DIY

How to make a pinhole camera to watch the solar eclipse

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a full moon with some clouds obscuring it
Science

April skygazing: A total solar eclipse, a meteor shower, and the Pink Moon

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A man uses a tinted glass to watch as the moon passes infront of the Earth's star marking a total eclipse, the only one this year, in Vigo, northwestern Spain on March 20, 2015.
Science

This is the most cosmically perfect time in history

By Popular Science Team

2017 Total Solar Eclipse timelapse
Science

How to photograph the eclipse, according to NASA

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Timelapse of total solar eclipse showcasing Baily's beads
Science

NASA needs your smartphone during April’s solar eclipse

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solar eclipse
Science

Why do solar eclipses happen?

By Christopher Palma/The Conversation

Why our tumultuous sun was relatively quiet in the late 1600s
Science

Why our tumultuous sun was relatively quiet in the late 1600s

By Briley Lewis

Colorful cricket on green leaf
Science

NASA wants you to record crickets during April’s solar eclipse

By Andrew Paul

A total solar eclipse is seen on Monday, Aug. 21, 2017, from onboard a NASA Armstrong Flight Research Center’s Gulfstream III 25,000 feet above the Oregon coast. A total solar eclipse swept across a narrow portion of the contiguous United States from Lincoln Beach, Oregon to Charleston, South Carolina.
Science

Delta’s solar eclipse flight sold out, but your best bet to see it is still down here

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A colorized view of the DOLCE structure finalizing its uncoiling process, as seen from the boom camera, over Antarctica, on August 22, 2023.
Technology

The first-ever space solar power tests are finished after a year in orbit

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