Astronomers have confirmed the first isolated stellar-mass black hole drifting through the Milky Way, located roughly 5,000 ...

Scientists reveal how sleep protects brain cells, manages metabolic damage, and may help explain links to Alzheimer’s disease.

A single scenario could explain some of the odd features of Saturn's cosmic neighborhood. A project that set out to seek the origin of the planet's rings and why Titan’s orbit is expanding may have ...

Saturn’s largest moon, Titan, may have been born of the collision of two smaller moons, according to new research.

Probability underpins AI, cryptography and statistics. However, as the philosopher Bertrand Russell said, “Probability is the ...

The big bang wasn’t the start of everything, but it has been impossible to see what came before. Now a new kind of cosmology is lifting the veil on the beginning of time ...

After a century of study, physicists have theories — but they’re still not 100% sure.

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s ...

It was a bold thought experiment: that only one electron makes up the entire universe. The most famous conversation about it took place between Richard Feynman, PhD, and John Wheeler, PhD, both ...