The Moon has long been cast as a dead world, a place of dust, vacuum and brutal temperature swings that no living thing could endure. New research now suggests that picture is incomplete, hinting that ...

Imagine a real-life version of Pandora, the breathtakingly beautiful world from James Cameron’s Avatar. This may not be a mere flight of fancy, as scientists have recently discovered a ‘disappearing’ ...

Europa Clipper has officially commenced. The highly anticipated NASA mission to explore Jupiter’s moon Europa for signs of habitability launched on Monday from NASA’s Kennedy Space Center in Florida.

The European Space Agency's Jupiter Icy Moons Explorer (JUICE) probe has spotted a habitable planet right here in our solar system — and its sensors are showing several molecules and elements in its ...

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

Saturn's innermost moon, which resembles the Death Star from Star Wars, may be a "stealth" ocean world, according to new research. Mimas, which is the smallest and closest to Saturn of the ringed ...

(CNN) — The Europa Clipper spacecraft passed a key milestone on Monday and is on track to launch next month to explore and seek signs of habitability on one of Jupiter’s moons, according to NASA. The ...

ESA's Jupiter Icy Moons Explorer (JUICE) is ultimately headed for the Jovian system, but on Aug. 20, it took a quick look at Earth. The spacecraft returned some very exciting news: the Earth is indeed ...

The outer solar system is awash with liquid water. A briny ocean is concealed beneath the icy crust of Jupiter’s fourth largest moon, Europa — with more water than all of Earth’s oceans combined. A ...

When the Sun runs out of hydrogen fuel and expands into a red giant, it will eventually encompass the innermost planets of the solar system, out to about Earth’s orbit. Being closer to our enlarged ...

Saturn's huge moon Titan may not hide an ocean under its frozen surface but rather widespread pockets of liquid water, a new study finds. Titan is the largest of the 274 known moons orbiting Saturn.