Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these extraterrestrial waters ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

The remainder of the Bennu asteroid sample can be seen inside this top-down view of the Osiris-Rex spacecraft head with ...

Note that Enceladus (12th magnitude ... and fades to magnitude 12 at eastern elongation. The best times to view this moon are when it lies close to the planet, as it does tonight.

An undated image provided by NASA shows a top-down view of the Osiris-Rex Touch-and-Go Sample Acquisition ... Jupiter’s moon Europa and Saturn’s moon Enceladus also beckon as enticing water worlds.

For Kim Tait, those three words have long defined conditions for asteroids in our solar system – the minor celestial bodies that are the refuse from planetary formation processes long passed.

This image provided by NASA shows a top-down view of the OSIRIS-REx Touch-and-Go-Sample-Acquisition ... Jupiter's moon Europa and Saturn's moon Enceladus also beckon as enticing water worlds.

Locomotion makes things move, and certain forms of locomotion make them move better than others. Those more effective types ...