Through the lens of National Geographic photographer Rena Effendi, meet the network of organizations and people turning HIV ...

Since the 1970s, the number of extremely hot days recorded in a given year has increased by a month or more in some places.

New research may finally explain the biology that triggers this deadly complication of pregnancy—and point the way to a cure.

We came to a bench where a graduate student was working on one of the key mysteries behind antiaging: How does a cell remember its former state? Borrowing from information theory, Sinclair believes in ...

Tourism is booming along the former trade routes of ancient Uzbekistan. To understand its recent transformation, Gary ...

Aviation anxiety has become increasingly widespread since the pandemic, but there’s more help than ever for nervous flyers.

Telluride transforms from a ski town in winter to a hiking paradise in summer, with a wide variety of scenic and easily ...

Scientists are studying how the nervous system synchronizes with rhythm and sound, opening new possibilities for neurological ...

The catastrophic fires have potential to do long-term damage to many wild animal populations, but a toad species could be the ...

Elite Exped’s cofounder Mingma Gyabu Sherpa, known in the mountains as Mingma David, holds out hope for Purja, citing that ...

Twenty years ago, wildlife photographer Joel Sartore set out to capture portraits of every species in human care. Today, ...

This month brings an exceptional lineup of celestial events, with rare alignments, brilliant meteors, and dramatic eclipses ...