It's a troubling indicator of greater issues. Experts sound alarm after returning to search for one of the world's most ...

Scientists have found a new monkey species! That's the good news. The bad news is that only a couple of hundred are left.

With no maps, no ships—and, to be fair, no choice—a group of monkeys made an improbable ... than just their cargo—they’ve transported species to entirely new worlds. In 1995, hurricanes ...

Woolly monkeys were once considered four species: the gray, Columbian, silvery, and Peruvian yellow-tailed woolly monkeys. More recent genetic studies suggest there are only two species—the ...

For years, researchers speculated about an undiscovered species due to the DNA in wild monkey droppings. A team of primatologists combined data from field surveys, DNA samples from similar species ...