Gray Whale Sets New Migratory Record With Epic Pacific Voyage 

An international team of marine biologists has recorded an astounding round-trip journey made by a gray whale who ventured from Russia's east coast to the southern tip of Mexico's Baja California peninsula – and then all the way back. At 14,000 miles (22,500 km), it's the longest migration of a mammal ever recorded.
» 4/16/15 10:20am Thursday 10:20am

How We Found The World's Deepest Fish – And Why We Must Keep Exploring

Scientists exploring the deepest place on Earth — the Mariana Trench in the Pacific Ocean — recently acquired footage of a strange, never-before-seen fish at a record depth of 26,722 feet. Here, one of the team members describes how they found it, and why it's vital to continue plumbing the ocean's depths. » 12/20/14 11:00am 12/20/14 11:00am

Gorgeous Drone Footage Of Killer Whales Is The First Of Its Kind

Earlier this year, researchers came together to investigate the health and habits of killer whales using a custom-built, remotely operated hexacopter. The study, which resulted not only in incredible footage but fascinating observations, is the first to incorporate a drone in the monitoring of killer whales. » 10/19/14 1:45pm 10/19/14 1:45pm

Size Matters: Narwhals With Longer Tusks Have Bigger Testicles

Narwhals grow long tusks, if they have the balls to do it. The spear at the end of the male sea unicorn has been variously thought to be a sensory organ, a device for battling other males, or an elaborate reproductive signal. New evidence shows they're the whale version of peacock feathers. » 9/22/14 8:04pm 9/22/14 8:04pm