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'Blood moon' total eclipse dazzles millions around the world (photos)
By Brandon Specktor, Ben Turner published
Here are the first images of the March 3 'blood moon' total lunar eclipse visible over North America, Australia, and eastern Asia.

March could be the best month for the northern lights for nearly a decade
By Jamie Carter published
March 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.

NASA telescope spots first alien 'astrosphere' around a sun-like star: Space photo of the week
By Jamie Carter published
The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.

Science history: Stephen Hawking writes a tiny paper — and turns our understanding of black holes inside out — March 1, 1974
By Tia Ghose published
In 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.

Giant string of organic molecules on Mars may be one of the best signs of life yet
By Ivan Farkas published
A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.

The sun just experienced its first 'spotless days' in 4 years — but we're not in the clear yet
By Harry Baker published
Earlier 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.

NASA announces sweeping overhaul of Artemis return to moon
By Ben Turner, Brandon Specktor published
A major shakeup to NASA's Artemis program will step rocket launches up to an annual basis, and discard a Boeing-designed upper stage.

Rubin Observatory alerts scientists to 800,000 changes in the sky in one night
By Elizabeth Howell published
The 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.

Giant 'spiderwebs' on Mars contain tiny egg-like structures that scientists 'can't quite explain,' NASA rover reveals
By Harry Baker published
New 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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