Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

The Dynamically Stable Large Space Structures via Architected Metamaterials was granted a NIAC award by NASA at the beginning ...

Astronomers from Newcastle University and the University of Portsmouth have joined forces with The University of the West ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first time. By combining all four telescope units of the European Southern ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

If you're looking to impress your friends with some rare space facts, these gems will serve you well. The Largest Known Star ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar ... the same plane. Compared with Mercury ...