Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

Scientists detect a 20-day wobble from a star-shredding black hole, confirming spacetime twisting predicted by Einstein.

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

The cosmos has served up a gift for a group of scientists who have been searching for one of the most elusive phenomena in ...

Time is not the same everywhere in space. On Mars, it flows on average 477 microseconds more each Earth day (24h) than on ...

Discover how Ramanujan's century-old pi formulas connect to modern cosmology and turbulent fluid physics in groundbreaking ...

For the first time, a group of physicists is arguing that a warp drive is not just a mathematical curiosity but something ...

The exploration of quantum information challenges objective reality, positing the universe as a hologram is explored through ...

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 ...

Last year, a UCLA-led team accomplished something scientists have been trying to do for 50 years. They made radioactive thorium nuclei absorb and ...

If you look across space with a telescope, you’ll see countless galaxies, most of which host large central black holes, billions of stars and their attendant planets. The universe teems with huge, ...

Black holes are notoriously difficult to spot unless they are active, and one type of activity is the destruction of a star, ...