41,000 years ago, Earth's magnetic field weakened dramatically. This period, known as the Laschamps excursion, may have unexpectedly influenced life on Earth. A collaboration between archaeologists ...

Cryptotephra reveals Toba’s vast fallout while sites record human innovation instead of collapse. These patterns guide ...

A lone man walks across an expanse of ice; a mottled tundra; desert badlands. The single human figure becomes a focal point ...

It’s one of the most longstanding questions in biology: how did life first arise? Research on the topic abounds, but there’s no one accepted answer. And according to one new paper, the chances that ...