Ocean Worlds – Spaceflight Now

April 3, 2026

Breaking News

[ April 2, 2026 ] Artemis 2 crew blasts off on historic moon mission Artemis
[ April 1, 2026 ] Live coverage: NASA to launch Artemis 2, its first Moon-bound mission with astronauts since 1972 Artemis
[ March 30, 2026 ] Falcon 9 booster launches for record 34th time on Starlink delivery mission Falcon 9
[ March 30, 2026 ] SpaceX launches 119 payloads on smallsat rideshare mission from California Falcon 9
[ March 26, 2026 ] SpaceX launches batch of Starlink satellites from the West Coast Falcon 9

New discoveries raise prospects for life on moons of Jupiter and Saturn

April 13, 2017 Stephen Clark

Scientists announced Thursday that measurements from NASA’s Cassini spacecraft detected hydrogen gas, a key energy source for microbial life, in a plume gushing from a vast liquid water ocean buried beneath the icy shell of Saturn’s moon Enceladus.

Study suggests Saturn’s moon Dione has underground ocean

October 11, 2016 Stephen Clark

Scientists crunching data from NASA’s Cassini spacecraft believe Saturn’s moon Dione has a liquid ocean buried 60 miles under a thick icy shell, potentially adding to a growing list of ocean worlds in the frigid outer solar system.