During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company.

The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen at around 250 meters. The discovery came amid findings of vast coral reefs and suspected new species.

Freediver Rusty Hunter has hung out with the same seal about 10 times off Laguna Beach, the most recent encounters caught on ...

A deep‑sea mission off Argentina captured a rare phantom jellyfish and revealed the largest‑known Bathelia candida reef and ...

Slowpoke, a 49-year-old walrus at SeaWorld Orlando, has died, the theme park said. "At approximately 49 years old, she was the oldest walrus in our care and an incredible ambassador for her species," ...

One of the most attractive critters at the zoo splashes through frigid waters: polar bears, the beauties of the Arctic Circle ...

Which animal is the fastest aquatic mammal in the world? Discover why dolphins hold this title, along with their swimming ...

On Sunday, Jan. 25, children 12 and younger and their parents gathered at Prado Park Equestrian Center in Chino to interact ...

This is the adorable moment a tourist in a boat off the coast of Cabo San Lucas, Mexico gets to live out her dream on January ...

Bald eagles Jackie and Shadow, two of Big Bear’s most famous birds, have welcomed their first egg of 2026. The 24-7 camera ...

The male mammal was found in Ballona Creek suffering from a bacterial infection. An X-ray revealed that Confetti — who’s already doing better — previously survived two gunshots.

22 behind-the-scenes details about zookeepers’ work that most of us didn't know or wouldn’t even believe, as shared online.