Ocean Worlds – Spaceflight Now

October 23, 2026

Breaking News

[ October 20, 2026 ] Another try for Falcon 9 launch of 27 Starlink satellites on Falcon 9 rocket from Vandenberg Falcon 9
[ October 16, 2026 ] Blue Origin to add new Florida launch pads, seeks aggressive increase in New Glenn flight rate New Glenn
[ October 15, 2026 ] SpaceX launches a classified payload for U.S. Space Force Falcon 9
[ October 13, 2026 ] SpaceX launches NASA science and cargo to the International Space Station Falcon 9
[ October 13, 2026 ] Launch preview: NASA, SpaceX to launch new solar arrays, 6,300 pounds of cargo to the space station 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.