Moon impact 3.5 billion years ago reveals hidden Solar System history through tiny mineral grains. The discovery shows ...

Planets are bodies that orbit a star and have sufficient gravitational mass that they form themselves into roughly spherical shapes that, in turn, exert gravitational force on smaller objects around ...

We usually think of our Solar System as a calm, well-organized family of planets, but a new study suggests its early days may ...

Chemical signatures indicate the meteorite came from an early planet that met an untimely end during the formation of our ...

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

Meteorite fragments land across every corner of Earth. But among the roughly 80,000 meteorites discovered so far, only a handful are known as angrites—and at least one of them might be the remnant of ...

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

A close encounter between NASA’s Lucy spacecraft and a small main-belt asteroid has uncovered a fractured relic of the early solar system, reshaping scientific understanding of how chaotic collisions ...