It was a fierce predator, "not a dinosaur you'd want to mess with," said the scientist whose analysis of an ancient skull revealed a brand new species.
A predicted global warming effect is a slowdown in North Atlantic Ocean circulation. New research shows recent decreases that are unprecedented in the past 1,100 years.
It circulates heated blood through its body as mammals and birds do. Its warm blood makes the opah a high-performance predator that swims faster, sees better.
What does this year's odd U.S. weather have in common with a huge spike in hungry, stranded sea lion pups on California shores? Both are linked to a giant patch of warm ocean water.
Nano particles in sunscreens have been found to harm marine worms, crustaceans, algae, fish and mussels. A new study shows their negative effect on sea urchin embryos, too.