Solar System

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday morning (July 21).

New observations from the James Webb Space Telescope (JWST) are painting a new picture of Jupiter's moon Europa and revealing the hidden chemistry of the icy moon's interior.

U.K. scientists plan to send a small spacecraft to the moon's far side to detect faint radio signals emitted shortly after the Big Bang.

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same time, challenging current models of our solar system’s evolution.

Germany's Isar and RFA, France's Maiaspace, Spain's PLD Space, and UK-based Orbex have been pre-selected for ESA's €169 million launcher initiative.

Our planet has been rotating at its fastest since records began in 1973.

South Korea just laid out its long-term space exploration road map, which features the planned construction of a moon base two decades from now.

Scientists have grown algae in bioplastic habitats under Mars-like conditions, a step that could bring long-term space colonization closer to reality.

Astronomers have discovered an object at the edge of the solar system that is locked in a strange rhythmic dance with the ice giant Neptune.

A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River that runs through the national park.