By listening to the echoes of "marsquakes" — seismic waves rippling through Mars ' crust — researchers uncovered signs of ...

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the red ...

A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans.

NASA Juno spacecraft data has been used to create an animation of "Steeple Mountain" and a lava lake known as Loki Patera on ...