Newly discovered fossils in Ethiopia show that Homo coexisted with Australopithecus 2.6 million years ago, rewriting the ...

Recent fossil discoveries lend credence to the fascinating proposition that non-human species may have coexisted alongside ...

The questions of how humankind came to be, and whether we are alone in the universe, have captured imaginations for millennia ...

On remote islands of Papua New Guinea, people carry a story that ties us all back to our deepest roots. Although their striking appearance once puzzled scientists, new genetic evidence shows they ...

Our understanding of female–male power relationships in animals has changed over time. Evolutionary biologists once thought ...

Bipedal locomotion — walking upright on two legs — is a fundamental trait underpinning humankind’s success. Scientists now have identified two innovations that occurred long ago in the human ...

Discover the profound ecological impact of trees, from shaping the environment to their sacred significance in human ...

A planetary perspective on the relationship between life and energy, and the emergence of a life form whose influence extends ...

When you picture a shark, you probably think of a large, powerful predator cruising the open ocean. Species such as the great ...

Endangered animals include blue whales, giant pandas, tigers, rhinos, and of course a lot of primates. Though endangered ...

In a sense, the very accident that denied fungi the ability to eat lignin gave us civilization. Coal deposits cooled the Earth, stabilized the climate, and created the raw energy reserves that powered ...