Snapchat Planets turns your friendship ranking into a tiny social solar system, where being Mercury is elite and Neptune ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming into view, revealing hints of a surprising past – and the origin of Saturn's ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

Unlike conventional solar systems, which are hampered by the sun’s fluctuations and require backup systems to even them out, ...