A pair of the largest creatures alive on Earth was spotted by the researchers from the Blue Ocean Society of Marine Conservation off the coast of Rye Harbor in New Hampshire.
According to the study published in the journal PeerJ, researchers discovered that their findings are consistent with the hypothesis that the structure of sperm whale's forehead evolved to be used as a massive battering ram during male-to-male competition.
Bycatch threatens several species of dolphins and porpoises with extinction. To mitigate the effects of accidental catches, Mexican authorities have instated an emergency two-year ban on gillnetting.
The 82-foot blue whale skeleton at the University of British Columbia's biodiversity museum was the subject of a 2011 Discovery Channel segment that hinted largely at terrible smells while the whale was being unearthed in eastern Canada. Recently, the skeleton received its first big cleaning.
A recent study found that there's a "magic number" of krill for blue whales to find in order to gather enough energy for their massive bodies. If they don't find the tiny food sources in concentrated supply, the whales have to hold their breaths more and do more gathering.
Narwhal's use their toothy horn in unique ways. Contrary to popular opinion, however, hunting is not one of them. Here's what it's really used for.
Mexico has begun a survey of the world's most endangered marine mammal, the vaquita porpoise of Mexico's Gulf of California. The scientific team will include Mexico, the U.S., Germany and the United Kingdom.
MIT researchers have figured out how seals use their unique whiskers to track prey and navigate.
A new species recently added to the desmostylia group suggests that the hippo-sized suction-feeders were a more diverse group of animals than previously thought and ate in a very unique way.
Columbia University researchers recently discovered a hepatitis A-like virus in seals off New England's coast.
Male elephant seals choose whether or not to fight with other males in breeding season, based on the males' distinctive calls.
Trained rescuers freed a young whale from rope and buoy entanglement off False Bay, South Africa. Entanglement is a major cause of death for marine mammals each year, worldwide.
After sustaining an injury in the wild, Lily the gray seal was successfully rehabilitated at the National Aquarium in Baltimore, and just recently released back into the ocean with a clean bill of health.
A baby Pacific white-sided dolphin (not pictured) was born at Shedd Aquarium, officials announced Monday.