Newfound fossils from a site in southwestern China, preserved in exquisite detail, offer a peek at a time in Earth’s distant ...

To this day, in the known universe, only one example exists of a system capable of general-purpose intelligence. That system ...

Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants ...

This richly layered portrait of the 19th-century frontier from historian Nelson (Saving Yellowstone) spotlights figures whose complex lives embody an era of “chaotic and Continue reading » America, ...