The deepest man-made hole on Earth is no longer a gaping wound in the Arctic rock but a quiet, sealed scar. Once hyped as a ...

China begins drilling a six-mile-deep scientific well named Shendi Take 1 to explore the depths of the Earth and its secrets.

New laboratory studies could shed light on a rock containing potential signs of alien life that’s stranded on Mars ...

In 2005, an experienced cave diver tried to recover the body of a diver who had vanished 10 years earlier - but the mission ...