Scientists found nests organized into curves, clusters and ovals on the Antarctic seabed. Such groupings may protect the fish eggs from predators.
The corals offer a dire warning, scientists say, and suggests that more such catastrophic points of no return could occur soon — some within a decade.
Could these colorful fish aid struggling coral? Yes, but not always. Parrotfish play a complex role in reefs — and sometimes may cause harm.
Humans have driven sharks and their cousins to the brink of extinction, but it’s not too late to turn the tide. At stake is the health of the entire ocean.
These fish have skeletons made of cartilage, not bone — and aren’t nearly as scary as portrayed in the media.
Heidy Martinez never wanted to study sharks as a kid. That changed after encountering a white shark in South Africa.
Some migrating cetaceans move thousands of miles to their breeding grounds, where whale urine fertilizes ocean waters with valuable nutrients.
Two ISEF finalists want to foster growth of new coral reefs. So these teens designed and built self-navigating, undersea houseboats for coral larvae.
Taste buds on those legs may explain why northern sea robins are so good at finding food that is buried in the sandy seafloor.
