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Mysterious 'dots' discovered by Webb telescope may be the first stars in the universe on the verge of collapseA new study suggests that "little red dots" spied by the James Webb Space Telescope could be the universe's short-lived first generation of gigantic stars, challenging an existing theory.
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'Blood moon' total eclipse dazzles millions around the world (photos)Here are the first images of the March 3 'blood moon' total lunar eclipse visible over North America, Australia, and eastern Asia.
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March could be the best month for the northern lights for nearly a decadeMarch 2026 could be the best month for the northern lights until the mid-2030s, as celestial mechanics and solar activity combine for potentially potent results.
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NASA telescope spots first alien 'astrosphere' around a sun-like star: Space photo of the weekThe first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.
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Science history: Stephen Hawking writes a tiny paper — and turns our understanding of black holes inside out — March 1, 1974In 1974, physicist Stephen Hawking described the potential for tiny, primordial black holes that existed at the dawn of time to explode — and reshaped what we knew about these cosmic behemoths.
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Giant string of organic molecules on Mars may be one of the best signs of life yetA new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.
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The sun just experienced its first 'spotless days' in 4 years — but we're not in the clear yetEarlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This normally indicates a period of greatly reduced solar activity, but it's still too soon to relax, experts say.
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Rubin Observatory alerts scientists to 800,000 changes in the sky in one nightThe Vera C. Rubin Observatory sent scientists nearly 1 million astronomy alerts in one night, showing off changes in the sky. Eventually, the telescope is expected to reach 7 million alerts per night.
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Giant 'spiderwebs' on Mars contain tiny egg-like structures that scientists 'can't quite explain,' NASA rover revealsNew photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid eggs. And researchers are struggling to explain them.
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