Europa has fascinated astronomers and exobiologists for a long time— at least since 1979, when the Voyager 1 and 2 spacecraft ...

But a new NASA study may have found a clue that one is orbiting a planet some 635 light-years from Earth. The inference comes ...

It won't land, but the robotic spacecraft will fly as close as 16 miles to the moon's frozen surface to probe oceans of ...

"The most exciting prospect at the (Uranian) moons is that they could still host subsurface oceans at present.” ...

But Mars and Earth are not the only places in the solar system that either have, or have had, water. On October 13th, if all ...

As European Space Agency (ESA)'s Jupiter Icy moons Explorer (Juice) spacecraft hurtled past the moon and Earth in mid-August ...

Researchers at Cornell University have leveraged the intense volcanic activity on Jupiter's moon Io to advance our ...

Jupiter’s moon Europa may be alive as well. On Oct. 10, NASA aims to start finding out, when it launches the $5 billion Europa Clipper spacecraft on a five-and-a-half-year journey to the Jovian ...

Planetary scientists know that some of Jupiter's and Saturn's moons likely possess subsurface liquid-water oceans. These "ocean worlds," such as the Jovian moon Europa and the Saturnian moon ...

Scientists believe that an unexplored portion of our solar system might host liquid oceans and conditions ripe for life. More ...