Scientists found proof that a giant early planet existed in the solar system 4.5 billion years ago.

Might the first moments of planet formation be more understandable than ever before? Fresh observations suggest that the creation of worlds such as our own is perhaps happening right in front of us, ...

Constraining the timing of accretion, differentiation, and breakup of early-formed protoplanets helps to unravel the Solar System’s evolution. The recent discovery of the oldest crustal material, Erg ...

Studying asteroids addresses a number of unknowns in planetary science. Investigating them makes use of asteroidal meteorites, remote observations and space-based missions. However, to fully ...

"The sun may not have arrived in a life-friendly environment purely by chance." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our sun and a ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in Río Hurtado, Chile, announced the discovery of something truly spectacular: a mysterious object that appeared to ...

Cosmic archaeology -- Discovering the solar system -- An evolving solar system -- The question of timing -- Meteorites -- Cosmic chemistry -- A star is born -- Nursery for planets -- Worlds of rock ...