As the global population soars toward nine billion by 2045, this corner of Africa shows what’s at stake in the decades ahead.

The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a bout of violent ...

Since the outset of the Quaternary, whales and sharks have ruled the seas, topping a food chain with otters, seals, dugongs, ...

With over 400 miles of explored caverns and passages, Kentucky's Mammoth Cave National Park has plenty to offer the ...

Peek inside the burrow and discover a social rodent that lives in communities much like those of many insects.