The brain doesn't much care whether an experience is real.
The secret, social lives of bacteria
Centuries of astronomy, plus video-game technology, offer a stunning new perspective on our place in space.
Why do some female bovids have horns, whereas others don’t?
A rare bird’s elaborate mating habits help a tropical tree disperse its seeds.
Elizabeth Blackburn's work on telomeres led to new research and discoveries
Scientists race to understand the reproductive biology of freshwater eels.
Are double-crested cormorants overrunning their niche—or recovering from centuries of suppression?
Contagious laughter, yawns, and moods offer insight into empathy’s origins.
For thirsty sea snakes, the ocean can be a desert.
By clearing out vegetation, wildfires increase the vulnerability of soils to erosion and flooding.
Global fires may have doomed dinosaurs and much other life after giant meteorite struck Earth 66 million years ago
There's more to a mountain than the summit.
Two years after its big quake, Christchurch is still trembling.