We’re once again approaching the annual resetting of the Doomsday Clock. Last January, the Science and Security Board of the ...

We're once again approaching the annual resetting of the Doomsday Clock. Last January, the Science and Security Board of the Bulletin of Atomic Scientists, a group of very smart people, moved the ...

The Princeton that Albert Einstein knew in 1933 was sharply divided by the color line; a long-established border—marked by ...

Physicists in China have brought one of Einstein’s thought experiments into reality—but not quite with the outcome he hoped ...

Quantum mechanics is weird. When you think you have reached the bottom of its weirdness, you always discover a new ...

The man was the smartest person on the planet. On his birthday, why not celebrate by quoting him and sounding brilliant?

Astronomers have finally watched a black hole do something Albert Einstein only described on paper: twist the very fabric of ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

The production of too many useful things results in too many useless people.” That was Karl Marx, but it could as easily have ...

March 25: “Hurrah, and vote for suffrage! Don’t keep them in doubt.” —Febb Burn, a 47-year-old widow, in a letter to her son, Harry T. Burn, 24, a freshman legislator in Tennessee who held the pivotal ...

Astronomers have seen spacetime itself wobble near a spinning black hole for the first time. The discovery, revealed during a star’s destruction, confirms a major prediction of Einstein’s theory of ...