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

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

Every mind-bending molecule in nature has an evolutionary origin; a defense against being eaten, a lure for pollinators, or perhaps a happy biochemical accident. Though they seem extraordinary, life ...

When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical processes on Earth, leaving nothing from before. Or so we thought. Reading time 3 ...