Tom Hiddleston returns as narrator for a bigger, wilder chapter set deep in the Pleistocene. One of Apple’s most ambitious ...

Atoms found deep inside our planet argue that parts of “proto-Earth,” the early version of our planet, still survive inside ...

Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous.

ITER project has entered a critical phase: the reactor core is assembled, and each weld will try to recreate solar fusion on Earth.

This episode debunks the popular idea that people in Columbus’s time thought the Earth was flat and that he bravely proved them wrong. It shows how educated Europeans and earlier Greek and Arabic ...