“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.

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, ...

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Here on Earth, the ingredients for life to survive, thrive, evolve, and sustain itself on our world have all coexisted without fail for billions of years. In addition to all the atoms and molecules ...

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 ...

Is the sun an only child? Or was it born into a (very, very) big family? The answer would tell us more than just how awkward holiday family reunions can be (if you think yours are bad, imagine how ...