Mars, Europa and Enceladus are the three most promising locations in the solar system to search for life living off cosmic rays.

A radar on a spacecraft, intended to investigate the mystery of an extraterrestrial ocean, was never completely tested in Earthly chambers because there wasn’t a chamber large enough on our planet.

What does it take to demonstrate a radar system is ready to look through the frozen crust of a distant moon when the ultimate ...

American space agency NASA says it used the gravity assist maneuver the Europa Clipper conducted back in March to test the ...

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.

Launched in October 2024, Europa Clipper is on a 1.8-billion-mile (2.9-billion-kilometer) journey to study Jupiter and its moons. On March 1, it flew within 550 miles (884 kilometers) of Mars' surface ...