Fossil fuel emissions have increased steadily for almost two centuries. Now, the world may soon reach an important turning ...

A similar hearing last year brought extraordinary moments, including a retired intelligence officer alleging that the U.S.

A thick, toxic smog has shut down life in Pakistan's second largest city, Lahore, home to more than 14 million residents.

Chinese researchers studied 299 participants ages 18 to 45 with dry eye disease, assigning half of them to a laughter ...

Robert F. Kennedy Jr. says President-elect Trump wants "measurable impacts" toward ending chronic disease within two years. About 60% of Americans suffer from at least one chronic disease.

Birds descended from the dinosaurs, but researchers have known relatively little about how the bird's brain took shape. An 80 ...

The Biden administration issued a new fee on climate-warming methane pollution, but the EPA regulation faces an uncertain ...

There were about 97,000 overdose deaths in year that ended June 30, according to provisional CDC data. That's a 14% decrease ...

The National Institutes of Health, the crown jewel of biomedical research in the U.S., could face big changes under the new ...

Sudan's civil war has displaced 10 million citizens. Here are profiles of two young people from the most vulnerable groups: ...

There were alarming increases in past years due to declining condom use, inadequate sex education, and reduced testing and ...

Permanent tent cities are another idea Trump has for dealing with people who are unhoused. Sequestering people with mental ...