As one of the news team's first correspondents, Jen Viegas has covered everything from megalodon to dwarf dinosaurs. She has also worked as a journalist for the BBC World Service, PBS, other media outlets, as well as the National Academy of Sciences. Some of her favorite moments include howling at chimps with primatologist Jane Goodall and witnessing the live birth of a sea otter at Monterey Bay.
The discovery of a colorful little frog with an active nightlife in a South American cloud forest has just been announced.
No wonder many of us often feel emotionally confused. A brain region linked to fear has just been found to contain a potent brain circuit that drives pleasure-inducing behavior.
A yellow fever epidemic sweeping through parts of Brazil has killed off thousands of howler monkeys, leaving a population of northern muriqui monkeys solitary in a near-silent forest.
New research has determined that New Zealand's clever kea parrot produces laughter-like calls that are contagious and promote playful behavior — and is the first known non-mammal to do so.
Most of us try to avoid artificial coloring, but a dye that is used to detect plaques in Alzheimer's brains is being tested for its seeming ability to counteract the effects of aging.
As chimpanzee research facilities close in the US, the last biomedical research trial on captive chimps for the foreseeable future shows potential for a vaccine that could save wild primates.
The footage marks the first time that the rarely seen deep-diving whales have been filmed in their natural habitat.