Backreaction observed for first time in water tank black hole simulation

Twisted light from the beginning of time could reveal brand-new physics

Apollo in Real Time is an interactive, multimedia website that presents the Apollo 11, Apollo 13, and Apollo 17 missions as they happened at the time by compiling and synchronizing thousands of hours of audio and video recordings, transcripts, and photographs.

Forty years of coral spawning captured in one place for the first time