Killer whales raise their voices to be heard over boat noise, and the effort may be wearing the whales out as they try to find food amid dwindling numbers of salmon, new research says
Conservationists fear a falling shark population is prompting Asian chefs to look for manta and devil rays to help meet the voracious demand for shark fin soup
In August 2008, an Atlantic bottlenose dolphin was found dead on the North Carolina coast, its skin cracked and ulcerated with an alarming growth of gray and white nodules
For the first time ever, marine biologists have tracked the control of red tides to a virulent parasite with a gruesome lifestyle not entirely unlike those in the movie "Aliens."