Neil deGrasse Tyson breaks down the Andromeda paradox, showing how relativity makes our nearest galaxy appear to move strangely—and what this mind-bending effect reveals about spacetime.

The Bulletin of the Atomic Scientists is little more than a decade older than the field of artificial intelligence, whose birth can arguably be traced back to the Dartmouth Summer Research Project on ...

Approaching a black hole unleashes extreme tidal forces, stretching and tearing apart matter, including planets like Earth, a ...

In 2008, a team of UCLA-led scientists proposed a scheme to use a laser to excite the nucleus of thorium atoms to realize extremely accurate, portable clocks. Last year, they realized this ...