A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

Have astronomers observed the first exomoon, or have they spotted a weird object that could challenge the very concept of ...

Astronomers have found the first confirmed atmosphere around a rocky planet in another star’s habitable zone. The planet, LHS 1140 b, revealed its atmosphere through helium slowly leaking into space.

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise direction. However, the universe never ceases to amaze us with its unexpected ...

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...