The Ocean

Why do killer whales go through menopause

Why do killer whales go through menopause? Mother-daughter conflict is key

Killer whales are one of only three species that are known to go through menopause, surviving long after they've stopped reproducing. Those older females play...
Paleontologists classify mysterious ancient cone-shaped sea creatures hyoliths

Paleontologists classify mysterious ancient cone-shaped sea creatures

One branch on the tree of life is a bit more crowded today. A team of scientists led by 20-year-old University of Toronto (U...
Massive genetic study of humpback whales to inform conservation assessments

Massive genetic study of humpback whales to inform conservation assessments

Scientists have published one of the largest genetic studies ever conducted on the humpback whale (Megaptera novaeangliae) for the purpose of clarifying management decisions...
Warmer West Coast ocean conditions linked to increased risk of toxic shellfish

Warmer West Coast ocean conditions linked to increased risk of toxic shellfish

Hazardous levels of domoic acid, a natural toxin that accumulates in shellfish, have been linked to warmer ocean conditions in waters off Oregon and...
Tiny grazers may be the new hope for Caribbean reefs

Tiny grazers may be the new hope for Caribbean reefs

Thirty years ago a mysterious disease wiped out long-spined black sea urchins across the Caribbean, leading to massive algal overgrowth that smothered already overfished...
Arctic sea ice loss impacts beluga whale migration

Arctic sea ice loss impacts beluga whale migration

The annual migration of some beluga whales in Alaska is altered by sea ice changes in the Arctic, while other belugas do not appear...
Study finds potential instability in Atlantic Ocean water circulation system

Study finds potential instability in Atlantic Ocean water circulation system

One of the world’s largest ocean circulation systems may not be as stable as today’s weather models predict, according to a new study. In fact,...
Hard whale heads sink ships: Moby Dick whale tale maybe not so fictional

Hard whale heads sink ships: Moby Dick whale tale maybe not so fictional

The idea that a sperm whale can use its massive head as a battering ram to sink ships has been hotly debated at least...
Longest-living animal gives up ocean secrets

Longest-living animal gives up ocean secrets

Analysis of the quahog clam reveals how the oceans affected the climate over the past 1000 years. A study of the longest-living animal on Earth,...
Researchers capture video of false killer whale's encounter with longline

Researchers capture video of false killer whale’s encounter with longline

A team of researchers and fishermen has directly observed for the first time how Hawaiian false killer whales remove fish from longline fishing gear. The...