Four astronauts are about to become the first humans to venture near the moon in more than half a century since NASA's iconic ...

Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge - up to 4 tons - and when startled, they brandished immense claws. For a long time, scientists believed ...

SAO PAULO — Sloths weren’t always slow-moving, furry tree dwellers. Their prehistoric ancestors were huge — up to 4 tons — and when startled, they brandished immense claws. For a long time, scientists ...

THIS ARTICLE IS republished from The Conversation under a Creative Commons license. In pursuit of knowledge, the evolution of humanity ranks with the origins of life and the universe. And yet, except ...

From fleas to mosquitoes, there's no shortage of organisms we like to consider pests – and, not surprisingly, the majority are insects, which account for up to 90% of animals on the planet. But thanks ...

SAO PAULO (AP) — Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense claws. For ...

Charlie has an undergraduate degree in Forensic Psychology and writes on topics from zoology and psychology to herpetology.View full profile Charlie has an undergraduate degree in Forensic Psychology ...

All vertebrate species have a pelvis, but only humans use it for upright, two-legged walking. The evolution of the human pelvis, and our two-legged gait, dates back five million years, but the precise ...

Two chimpanzees meeting with each other apparently have a discussion using hand gestures, one of the human-like characteristics of other mammals. (Getty Images) Of the 8.7 million species on Earth, ...

The first time a computer beat a human chess champion, doomsayers proclaimed it was the beginning of the end. That was nearly three decades ago, and contrary to those dire predictions, humans haven't ...