The Seal That Flew 1000 Miles To Get Home
Found stranded on a subtropical beach, the mystery seal finally comes home to its North Atlantic waters.
Paper Nautilus, Octopus of the Open Sea
Why the argonaut, or paper nautilus, may be your new favorite cephalopod.
The Last Vigil of the Octopus Parent
For some species of octopus, reproducing is a lonely act that ends in death.
Remembering Coral Conservationist Ruth Gates
Dr. Ruth Gates worked tirelessly to conserve coral reefs, promoting a controversial idea called assisted evolution.
The Great Seaweed Invasion
In the Caribbean, sargassum deposits have grown to unprecedented sizes, obscuring the sand and turning nearshore waters into seething sargassum soup.
Do Artificial Reefs Work?
Some authorities are trying to create fish habitats by cleaning old structures and dumping them at sea. But do these artificial reefs really work?
Fish Are Smarter Than You Think
Fish intelligence? Yes, many studies have documented the ability of fish to learn from their environment. Fish exposed to a more complicated environment have an edge in learning.
When Crown-of-Thorns Starfish Attack
Australia's iconic Great Barrier Reef is facing a threat from a massive outbreak of crown-of-thorns starfish.
Marine Debris and Its Dangerous Hitchhikers
Larger pieces of floating debris, like that caused by the Japanese tsunami, may carry hitchhikers in the form of organisms native to their place of origin.
Unveiling Nature’s Mysteries: Mutant Sea Stars, Junk Jellyfish, and Duck Sex
Confront nature's mysteries, scientists find mutant sea stars surviving in warming waters and that sexual competition forces ducks to grow longer penises.