Earth’s Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for scientists. During earlier and later time periods, tectonic plates kept a steady ...

Approximately 400,000 years ago, some areas of Greenland that are now covered by a thick layer of ice were exposed to fresh ...

Exploring LIDAR: Tech using lasers to reveal the deep history beneath our world’s surface. The Channeled Scablands of the Pacific Northwest hide an astonishing secret. Evidence of a massive flood that ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

Over four millennia ago, in the final days of the Akkadian Empire in Mesopotamia, a drought swept over the region, afflicting lands as far away as Greece and what’s now Pakistan. Probably driven by ...

From microblogging about being Black to sharing views on social, political and cultural topics, there’s no place on Earth like Black Twitter. And a new Hulu docuseries premiering May 9 digs into the ...

For over 50 years, Earth Day has been celebrated across the country, and the globe, through the mobilization for environmental causes. While it may seem strange to think of a world without ecological ...

In this episode of Crash Course Religions, we dig into the beliefs, pillars, and spread of Islam. Many Muslims believe it’s their religious duty to pray five times a day in the direction of the Kaaba ...