Space

The battered icy Saturnian moon of Rhea

How could life adapt to Mars?

Four in ten nearby stars may host habitable planets

NASA says conditions were "once suited" for ancient life on Mars

'Very rare' triple quasar found

Astronomers discover our third closest neighbor

Astronomers scope out alien solar system in detail

Grasshopper spacecraft makes record hop

Hubble space telescope dates an ancient star

3D image reveals ancient Martian flood