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.

Revisiting old data from Voyager 2, scientists have worked out how a dense, shocked region of the solar wind could have ...

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.

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

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

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

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

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

Reservoirs of hydrogen gas that form naturally in Earth's crust could help humans decarbonize. The challenge now is finding ...

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