The discovery of a colorful little frog with an active nightlife in a South American cloud forest has just been announced.
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.
Donkey-hide gelatin has no commercial value in Africa, but is highly sought after in China as an ingredient for traditional medicine to treat health problems such as anaemia.
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.
A new study argues that the development of large eyes, rather than the appearance of evolutionary limbs, led aquatic vertebrates ashore about 400 million years ago.
The brown tree snake has already drastically eliminated birds on the island of Guam, but a new study suggests that its environmental impact is even greater than that.
A pound of black market rhino horn sells for up to $30,000 — more than gold or cocaine.
The footage marks the first time that the rarely seen deep-diving whales have been filmed in their natural habitat.