A new study explains how climbing down trees helped shape upright posture in early primates and changed the course of evolution.

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key oxygen-processing enzyme back hundreds of millions of years before the Great ...

During photosynthesis, trees convert the carbon dioxide to sugars and in doing so produce oxygen as a biproduct, which is vital for life on Earth. “Trees draw carbon dioxide out of the atmosphere and ...

This football-sized creature could grind its teeth like a hard-core plant-eater, back before that was really a thing — and it may be the earliest vertebrate herbivore ever found.

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their environments, providing insights ...

The evolution of human hands is one of the most important – and overlooked – stories of our origin. Now, new fossil evidence ...

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their ...

At high densities, white-tailed deer inhibit growth of trees but increase the overall diversity of smaller plant and weed species, according to a long-term study published recently. The work is ...

Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a by-product of other traits shaped by natural selection ...

A review of over 500 reports of cannibalistic behavior in snakes finds it's appeared multiple times in different evolutionary ...