Iceland declares Atlantic Ocean current collapse a national security threat as scientists warn it could trigger a modern-day ...

As far back as roughly 25,000 years ago, Ice Age hunter-gatherers may have jotted down markings to communicate information about the behavior of their prey, a new study finds. These markings include ...

Some 20,000 years ago, when the last ice age was at its peak, a marine animal with an ultrashort lifespan of just one month, really lived in the moment. In its brief and wondrous life, the ...

Ice sheets expanded across much of northern Europe from around 25,000 to 19,000 years ago, making a huge expanse of land unlivable. That harsh event set in motion a previously unrecognized tale of two ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Traveling up from the Mars equator toward its north pole, we find Coloe Fossae: a set of intriguing scratches within a region ...

During Earth's ice ages, much of North America and northern Europe were covered in massive glaciers. About 20,000 years ago, those ice sheets began to melt rapidly, and the resulting water had to go ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Exactly what caused the collapse of the mighty Roman Empire has been ...