Learn about the eyelash palm-pitviper of Costa Rica, a vividly colored venomous snake with unique “eyelash” scales.

Reports of their venomous bites have been greatly exaggerated. Only about 15 percent of snakes have harmful venom. The number of fatal bites in the United States is just five or six annually. Chances ...

Copperheads, while venomous, are rarely aggressive without cause. Black rat snakes, on the other hand, are completely harmless to humans and serve as natural pest control.

Customs officers said they stopped a plane passenger with a wriggling cargo of live snakes, the third such seizure this month.

Costa Rica took a big step forward, by officially joining the U.S. Global Entry program, a move set to make travel smoother for Costa Ricans and Americans alike. U.S. Homeland Security Secretary ...

Readers want to know more about bushmaster vipers, rat snakes and copperheads.

Costa Rica is a paradise for nature lovers, with its stunning landscapes and vibrant wildlife. While the country’s rich biodiversity is one of its biggest attractions, it’s important to be ...

No one had spotted the world’s smallest known snake for nearly two decades. Some scientists worried that maybe the Barbados ...

NYCFC goalkeeper Matt Freese saved three penalties as the USMNT escaped Costa Rica's upset bid in a memorable Gold Cup quarterfinal on Sunday.

South America is also home to a large variety of snake species, with new species being discovered all the time. But what are the largest snakes in South America?