A pair of orcas recently made waves when they were spotted in an unusual location off the United Kingdom. The apex predators ...

"Orcas often share food with each other—it's a prosocial activity and a way that they build relationships with each other.

Serrations at the edges of a fossilized flipper of the ancient marine reptile Temnodontosaurussuggests it may have been able to swim silently.