Category: Science

American officials are seeking to assure the world that U.S. climate action won’t end with the return of Donald Trump as president.

Trends in child health are in fact worrisome, and scientists welcome a renewed focus on foods and environmental toxins. But vaccines and fluoride are not the cause.

Processed foods are in the cross hairs of Robert F. Kennedy Jr., but battling major companies could collide with President-elect Donald J. Trump’s corporate-friendly goals.

Growing worldwide energy demand and other factors have shifted the calculus, but hurdles still lie ahead.

The event produces some of the year’s fastest meteors, although the nearly full moon may make them challenging to spot.

Behind the scenes at a Chicago zoo, chimpanzees who spent years entertaining humans are learning to befriend their own kind.

The agency’s top medical official was responding to rumors that Suni Williams had lost an unusual amount of weight during an extended stay in orbit.

A sharp partisan divide remains over how involved researchers should be in policy decisions.

A teenager in British Columbia was hospitalized in critical condition with the disease, and officials were working to find out how the person was exposed to the virus.

Negotiators agree that trillions are needed to help lower-income countries adapt and cope, but not on who should pay.