A restless Earth-facing sunspot has been firing off a barrage of powerful solar flares — and now a CME could be heading our ...

Observed directly in the solar photosphere for the first time, the vortices might braid magnetic fields, thought to be responsible for energy buildups and eventual outbursts. The features also offer c ...

“Clearly the sun is not a good standard star for the discussion of stellar activity,” Böhm-Vitense wrote. But she wondered if ...

The highest resolution views of the sun’s visible surface have revealed whirlpools that could drive solar activity.

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Aug. 13, 2026 NASA’s Perseverance rover caught a striking first from Mars: Earth disappearing behind the tiny moon Phobos. Seen from nearly 195 million miles away, our planet was reduced to a single ...

Ultraviolet (UV) radiation is a type of natural energy from the sun. Scientists know that prolonged exposure to UV rays increases a person’s risk of getting skin cancer. Sunlight is essential for ...

Sun umbrellas — used to protect against intense heat and ultraviolet rays — have long been a mainstay in Asian countries and on golf courses worldwide. Now they’re catching on in the United States, ...