In the quiet, freezing depths of the outer Solar System, the strangest celestial body in our cosmic neighborhood is waiting ...

Io is unlike any world in the Solar System. Covered in towering volcanoes, rivers of molten lava, and constant geological violence, Jupiter's moon has fascinated scientists for decades. But when NASA ...

WASHINGTON, D.C. — NASA shares an update on its multibillion-dollar effort to build a permanent moon base on the lunar south pole. On Tuesday, the U.S. space agency announced nearly $600 million in ...