A growing number of women are pushing the limits of endurance sports by climbing mountains, running ultramarathons, and even crossing oceans. Here are a few inspiring stories.

The warming climate in polar regions may significantly disrupt ocean circulation patterns, a new study indicates. Scientists discovered that in the distant past, growing inflows of freshwater from ...

The U.S. military said it killed six men Sunday in a strike on an alleged drug-smuggling vessel in the eastern Pacific Ocean ...

Reviewing those rare encounters, marine scientist Mark C. Benfield at Louisiana State University (LSU) connected scattered sightings and documented the fish alive in its natural depth range. Footage ...

A former deep-sea treasure hunter who made one of the greatest shipwreck discoveries in American history and spent the past decade in prison ...