Features

Earth from space A satellite photo from March shows a pair of parallel tornado tracks in Mississippi, leftover from a deadly storm system that spawned over 100 twisters in more than a dozen U.S. states.

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 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.

After the Trump administration threatened countries with tariffs and visa restrictions, a first-ever global carbon tax is left to an uncertain future.

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

Insect populations are in steep decline, which could endanger the food supply. But there are things we can do to reverse the trend.