The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense ...