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Some recent national numbers suggest the obesity rate has plateaued or even declined. Experts are skeptical.

A new architecture replaces traditional bottlenecks with a passive, single-shot light-speed operation that could become the foundational hardware for AGI, scientists argue.

This sixth-century pectoral comprises 14 Byzantine gold coins and a gold disc gathered over two centuries.

Normally, siblings resemble each other. So why does a litter of kittens often come in a variety of colors?

On an expedition in the Awash Valley in Ethiopia, two anthropologists uncovered the bones of a 3.2 million-year-old human ancestor. The iconic "Lucy" fossil would reveal much about our species' tangled family tree.

Circling vultures aren't waiting for you to die, and seeing them should be a welcome sight because of the benefits they bring, experts say.

NASA's Perseverance Mars rover recently came across an odd rock, dubbed "Phippsaksla," that is unlike anything else the robot has found on the Red Planet. It turns out that it probably isn't from our neighboring world and likely crashed on Mars instead.

NASA's SOFIA observatory captured a rare image of a glowing gas ring in Cygnus X — a vast star-forming region 4,500 light-years away.

Whether Neanderthals had religious beliefs is a subject of ongoing debate.

Built from a single erbium atom, a hybrid quantum bit encodes data magnetically and beams it through fiber-optic wavelengths.

Free radicals are highly reactive molecules that are missing an electron. They get a bad rap, but could they actually have any benefits?