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.
When time is measured in 10-million-year blocks, the lines between ecosystems and animals that would never have coexisted can get blurry.
“Active forgetting” could make your brain more efficient.
The laws that determine how human bodies are handled differ dramatically by state.