What happens when two planets collide? Astronomers have just observed the aftermath in real time around a distant star. The ...

A rocky planet beyond gas dwarfs in LHS 1903 indicates that planetary systems form in unexpected ways.

For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an ...

We're starting to see just how exceptional our own solar system and its history is, as more exoplanets are discovered. A ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression shows the "inside out" planetary system around the star LHS 1903. - ESA An exoplanetary system about 116 ...

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive ...

An artist's impression of a planetary system with four planets, around a small red star, called LHS1903 with a large reddish-brown rocky planet with craters is visible in the foreground and three ...

How can scientists use spin as a fossil record for planetary evolution? This is what a recent study accepted for publication ...

Stellar astronomy and planetary systems form a cornerstone of astrophysical research, uniting our understanding of the life cycles of stars with the intricate architecture of the systems that form ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...