Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

Astronomers have signalled the discovery of a planetary body roaming the Milky Way that is not gravitationally bound to the ...

This is the provocative question at the heart of an emerging astronomical debate, wherein the discovery of rogue ...

The James Webb Space Telescope detected an atmosphere on a lava-covered exoplanet, evidence that small planets close to stars ...

Astronomers have spotted an Earth-sized planet drifting alone through the Milky Way, detected briefly by bent starlight, ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

The Saturn-sized celestial object is one of the clearest examples yet of a planet drifting through space without a host star.

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...