After Australian scientists collected data from 300 female eastern gray nurse sharks off the coast of New South Wales, they calculated updated population numbers for the critically endangered shark.

WASHINGTON — Some species of shark return to the same breeding grounds for decades at a time, and live longer than previously thought, scientists studying the animals off Florida say. Scientists with ...

Where there are coral reefs, you expect to find sharks. But that’s not always the case. I’ve been scuba diving for more than ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Two nurse shark populations living just 80 km apart are growing in dramatically different ...

Last summer, a group of sport fishermen was casting lines off the coast of Tortuguero National Park in Costa Rica when one of their hooks caught a creature the likes of which no one had ever seen ...

Anglers off Costa Rica caught a 6-foot-long nurse shark with an orange-yellow hue in a first-of-its-kind sighting, a study said and photos show. Photo from Garvin Watson, shared by Marioxis ...