Astrophotographer Thierry Legault captured the International Space Station transit the Sun. The NASA astronauts were ...

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...

New images from ESA's Biomass satellite reveal forests, volcanoes, deserts and glaciers in striking detail, hinting at what's still to come.

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

A superbright Mars is currently visible alongside Regulus, the "Heart of the Lion" star located around 79 light-years from ...