Even years after a person has lost an arm, the brain faithfully maintains the circuits that once controlled the missing limb.

NPR's Hannah Chinn and Emily Kwong talk about the microbes behind great-tasting chocolate, possible reasons for daytime drowsiness, and a curious observation about the poop of seabirds.

Millions of audio recordings of hundreds of bird species have revealed that artificial light is making the birds wake up earlier and go to bed later.

Reporting from the organization, Retraction Watch, has found that the world of research is being flooded with fake research papers.

One of the goals of controversial wolf hunts in the Western U.S. is to help reduce the burden on ranchers, who lose livestock to wolves every year. A new study finds that those hunts have had a measurable, but small effect on livestock depredations.

As people age, they may be surprised to find that younger folks don't understand what they're going through, but adult children or caretakers can do a lot to help older people adjust to a new reality.

A black moon is a type of new moon, when the moon is nearly between Earth and the sun.

Researchers say recently discovered teeth come from a previously undiscovered species of Australopithecus, adding to our understanding of human evolution.

In Asia, people are still unearthing wartime secrets.

U.S. Health Secretary Robert F. Kennedy Jr. has promised "a massive testing and research effort" to determine what he says are the environmental causes of autism. Under Kennedy's direction, however, the government recently ended funding for studies looking into some of those environmental factors.