There are plenty of reasons to retire to Central America. For one, there's the low cost of living; a Western pension goes a lot further in El Salvador or Guatemala than it does in the U.S. or Canada.

Costa Rica has long worn the crown as Central America’s eco-tourism darling. Lush rainforests, pristine beaches, and a strong ...

Researchers recorded lemon sharks (Negaprion brevirostris) preying on an invasive species, the jaguar cichlid (Parachromis managuensis), for the first time. This observation was made in Sueste Bay in ...

It pulsed like a tiny heartbeat — a clear, quarter-sized jellyfish rising through the calm water of Taft Lake, sunlight flickering through its translucent body. The sight stopped Kate Lucas mid-paddle ...

Diego Cardeñosa always knew he wanted to study sharks. But when he started his Ph.D., he had to make a choice: tagging sharks ...

RICHFIELD, Minn. — When you think of jellyfish, you’re likely imagining a marine jellyfish capable of inflicting a painful sting on humans and potential predators. You’re likely not envisioning a tiny ...

Lemon sharks were seen preying on invasive freshwater Jaguar cichlids. (Image: Mariano Correa) Heavy rains in Fernando de Noronha caused unusual ecological interactions. Lemon sharks were seen preying ...

CLEVELAND, Ohio – In 2014, Sherri Mason ventured out onto Lake Erie aboard the U.S. EPA’s Lake Guardian research vessel and came back with remarkable evidence of plastic floating in the water. She ...

A shark killed a woman and seriously wounded a man taking an early morning swim with her at a national park beach on Australia's east coast Thursday, police said. Experts say a shark rarely attacks ...

A photographer has filmed an extraordinary feeding frenzy involving dozens of large sharks hunting baitfish in knee-deep water near Byron Bay. The predators can be clearly seen swimming just a few ...

A shipwreck was briefly revealed in Lake Erie after strong winds pushed water away from the shore near Kingsville, Ontario. Historians believe the sunken vessel could be the Demming or the Overton, ...