Carbon monoxide poisoning is a risk when you're traveling. Because not every hotel or vacation rental property has carbon ...

Carbon monoxide can turn deadly within minutes. Learn the signs of carbon monoxide poisoning and how to stay safe.

Two rare salamander species, Bolitoglossa chiquitica and B. silentium, recently found in Costa Rica’s Talamanca Mountains.

They were all sick. After going out to dinner on March 20 while vacationing in Costa Rica, retired New York Yankees ...