Ancient skull reveals our ears began evolving 50 million years earlier than thought, inside the jaw of a 250-million-year-old ...

Machine learning redesigns microscopic web sensors to be five times more flexible than nature-inspired versions, enabling detection of masses as small as trillionths of a gram.

A new metasurface design lets light of different spins bend, focus, and behave independently—while staying sharp across many ...

The only letter I’ve ever sent to the New York Times was in the 1980s, objecting to the paper’s suddenly pestilent use of “draconian.” During Iran–Contra the complaint must have seemed trivial; the ...