The Great Rift Valley stretches roughly 4,000 miles across Africa, where deep tectonic forces are slowly pulling the ...

A scientist aboard the M.V. Hondius describes how the hantavirus outbreak unfolded. It was “shock after shock,” he said. “You just kind of get numb to it, I guess.” ...

Trials on veterans suggest the potent hallucinogen could provide a new treatment for PTSD, but scientists still don't know how it works.

When this year’s total solar eclipse darkens sunlit skies on Aug. 12, its path will pass over some breathtaking sites.

Somewhere in the distant universe, a supermassive black hole that had gone quiet for millions of years has switched back on. Twin jets of superheated plasma are now blasting outward from its core, ...

Flesh-eating” bacteria is spreading. Infectious fungi are emerging. Microbiomes may never be the same. Are we ready?

From Antarctic deserts to the human gut, scientists are uncovering hidden microbial worlds that could reshape medicine, ...

On May 18, 1980, Mount St. Helens erupted in the U.S. state of Washington in one of the most destructive volcanic events in modern American history. A ...

Florida is hiding restaurants where an ordinary meal transforms into a jaw-dropping, unforgettable adventure that will leave ...

California feels wildly borrowed in these strange corners, where the scenery keeps changing moods fast enough to make the map ...

The rapid spread of Africa’s Ebola outbreak is driven by a new strain known as Bundibugyo. Maps, charts, and data ...

Over the coming decade, Africa will face major challenges as the legitimacy and sovereignty of its states come under threat. Some of the continent’s governments will become highly dependent on ...