Eleven Florida divers recently became the first "Wreck Trekker" dive enthusiasts to complete nine wreck dives as part of the Florida Keys Wreck Trek Passport Program. The dive challenge, developed by tourism officials and area dive operators, showcases the world-class diving...

University of British Columbia researchers have observed one of the fastest evolutionary responses ever recorded in wild populations. In as little as three years, stickleback fish developed tolerance for water temperature 2.5 degrees Celsius lower than their ancestors. The study, published...

A kayaker is breathing a sigh of relief after a terrifying encounter with a great white shark off the Southern California coast. Duane Strosaker was five miles off the coast from Gaviota State Park, which is north of Los Angeles,...

Blue whales are able to synchronize the pitch of their calls with an extremely high level of accuracy, and a very slim margin of error from call to call, according to a new study of the blue whale population in...

A team of scientists led by the University of Leeds has used a robotic 'yellow submarine' to observe detailed flows within an 'undersea river' for the very first time. The researchers estimate that the river - known as a submarine channel...

Five penguin species will get U.S. Endangered Species Act protections after a 2006 petition by the Center for Biological Diversity and two lawsuits filed jointly with Turtle Island Restoration Network. Today's Interior Department decision will list the Humboldt penguin of...