Earth not only does not support diverse ecosystems, but it also has places that serve as analogs for other celestial worlds ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to build up the energy we need to get to Jupiter and Europa." Today (March ...

Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

Related: James Webb telescope detects 1-of-a-kind atmosphere around 'Hell Planet' in distant star system It's possible that light from background ... neighboring moons Europa and Ganymede.

The fifth planet from the sun ... These pinpricks of light are actually Jupiter's four largest moons, now known as the Galilean moons: Io, Europa, Ganymede, and Callisto. Many of these celestial ...