Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial ...

For the 300th time this year, a rocket has lifted off for low Earth orbit. SpaceX on Thursday (Dec. 11), launched its Falcon ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

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

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through ...

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

The image shows a good example of the phenomenon called airglow.

The planet has been flipping between two main modes of carbon recovery depending on the state of coral reefs, new research ...

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

Embark Studios' extraction shooter takes cues from sci-fi classics to establish a dark future, but its cautionary tale is ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...