A new study in the journal Nature Cities shows that as temperatures rise aboveground, the number of subway riders reporting uncomfortable heat belowground increases.

A new study shows heat waves increasingly trigger sudden, severe droughts across the world as the planet warms.

The vast majority of organ donations once came from people who were brain-dead.

It’s not that unusual for a 20-something to text Mom from the doctor’s office for help answering a health question.

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways.

In an underwater nursery just off the Dominican Republic coast, tiny corals born in a laboratory are slowly growing under the eye of conservationists.

The nation’s leading doctors groups are in a standoff with federal health officials over vaccines.

HPV vaccination has been recommended for U.S. girls since 2006, and already the nation is counting fewer cases of precancerous cervical lesions among women in their 20s.

Researchers who examined climate change’s potential effect on the global economy say data errors led them to slightly overstate an expected drop in income over the next 25 years.

Cannabis use among young adults has reached historic levels, with nearly 18 million Americans using marijuana daily in 2022.