Each year, millions of straw-colored fruit bats descend on Kasanka National Park for a few months, and scientists are working to understand their mysterious journey Melissa Locker - Contributing ...

A study published in Science of large cetaceans has unveiled remarkable findings about their potential for extreme longevity and the significant implications this has for their conservation. North ...

Last week Chicago’s Field Museum of Natural History placed on exhibition a unique skeleton: that of Titanoides faberi, earliest mammal of its size known to exist on Earth. Like birds, mammals are ...

WASHINGTON -- They just needed some leg room: New research shows the great dinosaur die-off made way for mammals to explode in size -- some more massive than several elephants put together. The ...

WASHINGTON (Reuters) - You can call it the fertilization cessation, and scientists say it has had a disruptive effect on ecosystems around the world. A study unveiled on Monday showed that the ...

The Nile crocodile is one of the most fearsome predators in the world, sitting at the top of the food chain within its habitat. But every so often a specimen pushes the dimensional boundaries of what ...

Sometime during the Cretaceous Period, 125 million years ago, a feisty mammal the size of a domestic cat encountered a dinosaur three times its size and thought it looked like a tasty meal. A fossil ...

North America used to be crawling with giant mammals, from dire wolves to big cats. Horses and camels evolved on the continent while others, like bison, crossed over from Asia. Most of these mammals ...

A study of a 12,800-year-old skull of a toddler offers a glimpse at how early Americans found food, and how their hunts may have led to a mass extinction. By Carl Zimmer For millions of years, North ...