New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

Cosmic rays traveling through space may provide enough energy to sustain life even in incredibly cold and dark environments, ...

A new study suggests that cosmic radiation could potentially provide the energy to kick-start extraterrestrial life deep beneath the surface of icy worlds like Mars, Europa and Enceladus.

NASA’s Europa Clipper spacecraft just aced a key radar test while flying past Mars, proving its ability to detect structures ...

Venus-Jupiter Conjunction and Meteor Mojo Venus and Jupiter shine together in a rare, close morning conjunction this August.