Scientists have just uncovered new evidence that Saturn’s moon Enceladus might be hiding alien life beneath its frozen surface. Thanks to data from NASA’s Cassini mission, researchers detected heat ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

For decades, the moon was seen as a barren, bone-dry world with no atmosphere, no liquid water, no magnetic shield, and extreme swings in temperature. The idea that it could ever support life seemed ...