More than 80 communities around the world have turned entire languages into whistles as a way to communicate over long distances.
Humans may not be the only creatures who get PTSD.
New scientific techniques have turned ancient food into less of a mystery.
Giraffes’ blood pressure is double that of most humans, but it doesn’t seem to faze them at all.
Size isn’t everything.
If real, these massive, invisible objects could help unravel the mystery of dark matter.
Scientists think it’s valuable, but they’re not quite sure why.
The conventional wisdom about how to spot a liar is all wrong.
The ruckus of cars and planes can damage not just your ears, but also your heart.
Some concussions may linger for months or even years because of damage to vessels that clear waste from the brain.
An army of volunteers is helping forecasters predict disasters before they strike.
Banning the trade of vulnerable species sometimes makes them more vulnerable.
Scientists long believed its function was simply to coordinate movements. Now they suspect it could do much more.
How the world’s trees got so sick
Researchers are getting closer to unraveling some of the deepest mysteries about the condition.
A great mud boom 400 million years ago changed features such as the shape of rivers and the planet’s biodiversity.
They’re dying out at an astonishing rate, and saving them is no easy task.
A snow-covered vault in Antarctica could help preserve chunks of disappearing glaciers.
Amphibians are dying off faster than any other vertebrate group in the world. Can hormones and IVF save them?
Most of the atoms in the universe lie in its flyover country.