Features

Martin Kamen and Samuel Ruben's discovery of the radioactive isotope carbon-14 in 1940 helped usher in a new era of dating artifacts from past civilizations.

A woman developed a persistent infection, and doctors couldn't pinpoint the cause for many months.

Earth from space A 2021 satellite photo shows off the recently uncovered Yilan crater in China, which is most likely the youngest impact structure on Earth. The incomplete ring is also the largest of its kind and only the second impact crater ever found in the country.

Lotus shoes are tiny footwear associated with foot-binding, a beauty practice that lasted for at least a millennium in China.

A stunning new Hubble image reveals the most detailed look yet at the Egg Nebula, the youngest and closest pre-planetary nebula to Earth.

Deserts are notoriously dry, so why do so many of them border oceans?

Bodies usually stiffen after death in a process known as rigor mortis. But why does this happen, and how long does it last?

A man went to the emergency room after being in and out of hospitals for a month, and doctors found a surprising explanation for his illness.

Earth from space A 2010 astronaut photo shows off the astonishing scale of the Great Dyke of Zimbabwe, which stretches over 340 miles (550 kilometers). The lengthy structure, which is not actually a dike, is full of extremely valuable minerals that fuel a massive mining industry.

Tumaco-Tolita artists were known for their intense realism in sculpting clay representations of humans.