Astronomers have long suspected that an enormous, unseen planet is hiding somewhere far beyond Neptune, quietly shaping the orbits of icy objects at the edge of our solar system. Now, a new generation ...

Explore the groundbreaking discovery of extraterrestrial life signs on exoplanet K2-18 b with chemical evidence from NASA.

A graph of the sun's total solar irradiance shows that in recent ... or for the use of any information through the EurekAlert system.

The vastness of our Solar System and the distances involved is something that's hard to convey. Especially when scaled down on a chart or in a book, but Dallas Campbell thinks he's got a way of ...