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Roberto Machado Noa/Getty Images A 1,300-Pound NASA Satellite Crashed Back to Earth After 14 Years in Space
The satellite was expected to re-enter the atmosphere around 7:45 p.m. EDT, though predictions carry a margin of error of about 24 hours.
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VICTOR de SCHWANBERG/SCIENCE PHOTO LIBRARY/GETTY IMAGES Why a California Startup Wants to Put Thousands of Mirrors in Earth’s Orbit
A California startup wants to build a giant mirror in space to bounce sunlight back to Earth after the sun goes down.
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Jonathan Knowles/Getty Images NASA’s Asteroid-Smashing Test Worked Even Better Than Expected
The impact didn’t just alter the asteroid’s local orbit. It slightly shifted the entire system’s path around the Sun.
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Dawam Syah/500px/Getty Images Is the Chaos of Space Hiding Alien Signals From Us?
New research suggests that the universe might be scrambling potential alien calls before they ever reach Earth.
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Illustration: Denis-Art / Getty Images Scientists Finally Found Something That Can Kill a Tardigrade
Adorable, freaky, and indestructible. Well, almost.
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NASA's Artemis II. Photo: Joe Raedle/Getty Images NASA Scrapped Its Plan to Put Astronauts on the Moon With Artemis III
We’ll get back there eventually. Maybe.
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NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Roman Tkachenko What Built the Dusty Red ‘Snowman’ Floating in Space?
When NASA’s New Horizons flew past Arrokoth on New Year’s Day 2019, it captured humanity’s most distant close-up of a primordial object.
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3I/ATLAS Why Did Comet 3I/ATLAS Get So Much Brighter After Flying Past the Sun?
3I/ATLAS will soon fade from view as it exits the solar system, but not before bowing out with one final display of its classic weird-o behavior.
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Photo: mikiell / Getty Images Humans Are Going Back to the Moon, but We Need to Know More About Moonquakes First
Landing on the wrong spot could be bad!
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Laurent Emmanuel/Contributor/Getty Images The Moon Is Shrinking. Here’s What That Means for the Future.
The moon, it seems, is most definitely shrinking. And that means it’s going to be experiencing a lot more tectonic activity in its future.
