Enlarge / Then Rep. Bill Nelson (D-Fla., at bottom) undergoing zero-gravity training onboard a KC-135 along with other astronaut trainees in 1985. On his right
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Humans had never seen a spacecraft land on another planet—until now
Panoramic image of Mars taken by Perseverance on February 20, 2021. (credit: NASA/JPL-Caltech) Never before, in all of our millions of years, have humans directly
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Burning Snowball Videos Are a Lesson in Fake News and Science
‘It’s called sublimation.’
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Watch Perseverance’s harrowing descent to the surface of Mars
NASA has released video taken by the Perseverance landing module and rover showing the famous “seven minutes of terror” in a bracing first-person perspective. The
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Blaming a wiggly jet stream on climate change? Not so fast
Enlarge / The weather map on February 15. (credit: NASA EO) Some songs are earworms—catchy whether you like them or not. (I won’t infect the
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Why China’s 2,000-Year-Old Terracotta Army Withstood The Test of Time
The world-famous Terracotta Army consists of 8,000 warriors and their respective weapons.
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