Charles Choi

Scientists in China have found what may be a new species of human. Fossils show a group of people with similarities to and differences from modern humans.

New study suggests that male children are always on their mothers’ minds, literally

A new method of “supercooling” organs could lengthen the amount of time that a donated liver could be stored before it is transplanted into a patient.

Runners actually save energy by swinging their arms when they run, a new study finds. Runners burn more calories when the arms are held still.

Arches, pillars and pedestals made of sandstone rock can look as though they defy gravity. But new research how such amazing rock formations take shape.

A new study of human DNA -- and the largest genetics study yet of ancient peoples -- reveals that the Paleo-Eskimos are genetically distinct from both the Neo-Eskimos and modern Native Americans.

Playing video games could help improve the vision of adults with lazy eye, scientists have found

Technological progress is spurring growth.

Scientists say a laxed attitude toward masking and social distancing plus the rise of new variants may have fueled India’s coronavirus surge.

The deadly toxin can be difficult to detect.