Deeper calls may mean smaller balls for monkey species. Scientists have found that male howler monkeys have adapted different sex tactics in order to attract mates.
Beavers are doing more to help the environment than you might have thought. Scientists have found these furry mammals are helping prevent harmful levels of nitrogen from reaching vulnerable estuaries.
A newly discovered mammal species may have actually survived the dinosaur extinction. Researchers have found a beaver-like mammal that managed to outlast the dinosaurs about 66 million years ago
Now, you can watch one of the most epic migrations of animals of the Serengeti.
Scientists have released the "tree of life" for a staggering 2.3 million named species of animals, plants, fungi and microbes.
Can a mother's stress impact her child? That's the case for elephants. Scientists have found that elephants born into stressful situations have fewer offspring and age faster.
It turns out that a certain bat may actually emit two different types of weak echolocation signals alternately in order to find prey.
If it weren't for humans, the whole world would be more like the Serengeti.
The Sumatran rhino has finally become extinct in the wild in Malaysia.
It turns out that dogs may have evolved due to climate change.
Scientists have resurrected a black-footed ferret, a critically endangered species, using frozen semen from a ferret that had been dead for about 20 years.
The Jurassic period wasn't only an age for dinosaurs; it was also an age for mammals. Scientists have found that mammals evolved ten times faster in the middle of the Jurassic than they were at the end of the period.