All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

A neutron star is defying the rules of the universe, emitting radio pulses from both its ends while moving extremely slowly.

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

Astronomers have identified a bright hydrogen emission from a galaxy in the very early universe. The surprise finding is ...