Scientists discover remnants of Theia, the planet that collided with Earth 4.5 billion years ago
Two continent-sized structures deep inside Earth may contain remnants of Theia, the ancient planet thought to have collided…
NASA Completes Astronaut-Deployed Science Instrument for Lunar Surface
NASA has declared “wrenches down” on the first completed payload designed for Artemis astronauts to deploy on the…
WHAT’S UP IN THE SKY: A look at the stars of Harry Potter | Astronomy
Today: One minor Harry Potter character actually has two well-known star names: Regulus Arcturus Black, the brother of…
Pluto’s Famous Glacial Heart Has Been Secretly Leaking Liquid Nitrogen
Odd surface patterns on Pluto hinted to astronomers that, sometime in the past—quite possibly not that long ago—liquid…
Pluto’s Atmosphere May Finally Be Starting to Collapse
Pluto’s orbit around the Sun is a long, elliptical journey that lasts 248 Earth years. Right now, Pluto…
NASA’s Juno spacecraft finds temperatures surging just below Io’s volcanic surface
NASA’s Juno spacecraft measured heat beneath Io’s surface for the first time, finding temperatures rise sharply within just…
Rocks From the Moon’s Far Side Are Rewriting Lunar History
Moon rocks returned from a rarely sampled region are offering a new view of the Solar System’s turbulent…
Inside the strange physics of why time stops at the speed of light
A clock aboard a fast-moving spacecraft does not break, lag or malfunction. It ticks normally for everyone inside.…
Solar Storms Create a Risk for Mars Exploration Scientists Hadn’t Expected
It took seven months to confirm that NASA’s Opportunity rover was dead. The U.S. space agency’s little robotic…
Astronomers Detect an Atmosphere on a Potentially Earth-Like World
In this artist’s concept, the exoplanet LHS 1140 b is shown in the foreground, surrounded by a helium-rich…
Saturn’s moon Titan has rivers, lakes and rainfall without a single drop of water, and scientists know why |
At first glance, Titan, Saturn’s largest moon, looks remarkably like Earth. Its surface is covered by winding rivers,…
NASA’s Juno Takes Temperature of Jupiter’s Fiery Moon Io
NASA’s Juno mission has provided the first measurements of the temperature below the surface of Jupiter’s moon Io,…