Memorizing seven continents feels settled, like learning the alphabet. A new study argues the ground rules are less tidy.

The reality of what lies within our oceans has fascinated people since time immemorial, so it’s no wonder we’ve created ...

A mass departure by sanctioned tankers, some switching to Russian flags, has triggered a fresh effort by the United States to ...

At least six great white sharks, one of them a massive 13-foot, 1,400-pound female, have pinged in Florida waters since New ...

We learn of his role during the tense early years of the Cold War. Complete invasion of Western Europe by the Soviets was at ...