You’ve heard it before: we’re well into the sixth mass extinction of life on earth. Only this time, unlike the other five big ones, humans are overwhelmingly the killers responsible. As we continue to ...

This article is a summary of Roy Ratcliffe’s recently released book ‘Life on Earth’ (Past, Present and Future)’. Of all the millions of species of life that have existed on earth over billions of ...

It is not the least of this world’s wonders that it’s been nearly half a century since Ellen Ripley, in the person of Sigourney Weaver, sent the Alien, in the person of a person in an Alien suit, ...

We could be severely undercounting the number of humans living on Earth, researchers suggest. While the United Nations has determined that as of last summer, there were about 8.2 billion humans ...

Our first meeting was a bit awkward. One of us is an archaeologist who studies how past peoples interacted with their environments. Two of us are geophysicists who investigate interactions between ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. We don’t know how or why it happened–perhaps a particularly ...

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, ...

Each second of filmmaker Daniel Raven-Ellison's short film represents one percent of the Earth's surface. Only eight seconds show intact forest. A wetland in the U.K., seen from above. The short film ...

Thanks to auroras and other space weather, humans have adapted techniques to overcome these issues. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...