Swimming off the coast of Mexico in the Gulf of California live the few remaining vaquitas on earth. This endangered cetacean ...

For decades, scientists have wondered about what happens during the so-called lost years between when tiny hatchlings leave ...

The reptiles, an endangered species, were incapacitated when the water temperature plummeted after a rare winter storm hit ...

They may be deep in the ocean or simply have elusive behavior, but sometimes, these animals make a rare appearance. Other times, these animals do something that has never been seen. Take a look at ...

Shortfin makos are the fastest sharks in the sea, but they're failing to outpace the scale of overfishing that is driving ...

A research expedition in the Tonga Trench filmed a Pacific sleeper shark, a slow-moving, opportunistic predator rarely seen ...

In Florida's cold weather, 18 cold-stunned turtles were rescued from frigid waters. There are 29 turtles under critical care ...