Earth
Worst mass extinctions may have been caused by rising mountains
A pair of mass extinctions struck in quick succession just before the dinosaur era, and the birth of a mountain range in South Africa may have been partly to blame
News
Environment
Trees may have a 鈥榟eartbeat鈥� that is so slow we never noticed it
News
Environment
Flies cool themselves down by constantly blowing bubbles of spit
News
Environment
These fish hide fluorescent switchblades in their faces
News
Life
Species with big sex differences are more likely to die out
News
Earth
Ancient finger bone may reveal humanity’s path out of Africa
News
Earth
The frogs bouncing back after almost being wiped out by disease
News
Earth
Weird Antarctic ice may explain how life endured on frozen Earth
News
Environment
Why ancient deer returned to the sea and became whales
News
Humans
Our ancestors mated with the mystery ‘Denisovan’ people 鈥� twice
The genes of extinct hominins called Denisovans live on in people from China and Papua New Guinea, suggesting two instances of cross-species breeding
News
Technology
8 hilarious ways AI has outsmarted us to get the job done
News
Environment
Dinobird Archaeopteryx only flew in short bursts like a pheasant
News
Humans
The Strange Order of Things: How we feel our way to being human
Culture
Humans
Dark DNA: The missing matter at the heart of nature
Features