A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

Discover how certain animals perceive the world without full color vision. This brief glimpse explores surprising species, ...

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

Scientists reveal one side of Earth’s interior cools faster. The Pacific Ocean hemisphere loses heat quicker, influencing ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

Kim officially became an astronaut in 2017. Expedition 72 and Expedition 73 marked Kim’s first visit to the ISS, where he ...

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...

The 15-year effort by Japan is a model for countries now scrambling to reduce their dependence on Beijing’s critical metals.