Beneath the crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in blobs of rock.

Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath ...

Footage shows a Russian tourist and her mother on the balloon ride over the desert, which set off at dawn before suddenly ...

The colorful swirls and stripes that characterize China's Rainbow Mountains would have remained hidden without the epic ...