By gathering in groups, these organisms shaped water flows that fed them.
Find out everything there is to know about the ocean and stay updated on the latest oceanic news with the comprehensive articles, interactive features and beautiful images of the ocean at LiveScience.com. Learn more about the Earth's oceans as scientists continue to make amazing discoveries about our largest bodies of water.
Fishermen in Norway came across a Russian spy late last week, but the interloper wouldn't reveal its mission, and with good reason: It couldn't, because it was a beluga whale.
The boat, named the Tara, has given scientists an unprecedented, detailed map of viruses in the marine ecosystem.
Greenland's ice sheet has undergone a stunning reversal in the last 46 years, as a meticulous new study documents.
We're witnessing a catastrophic shift in our planet's sea ice. Here's what the latest chapter means for you.
Stunning new video footage shows great white sharks hunting seals — all from the huge predator's perspective. The sharks were fitted with video cameras that recorded some surprising behaviors.
Photographers from around the world competed to take home the top prizes in the 2019 Underwater Photographer of the Year contest.
The ship sank in a storm in 1684 off Dollar Cove in the Gunwalloe district of Cornwall's Lizard Peninsula.
The little sharks swim around inside their mom, switching between her multiple uteruses. When they get hungry they eat her unfertilized eggs.
Deadly waters are churning up and down the West Coast of the U.S. today, caused by a storm system originating close to Alaska.
When the U.S. Navy classified vital seafloor data during World War II and after, it delayed the development of a key theory.