Epic 7,500-mile cuckoo migration wows scientists
Scientists have tracked a cuckoo's migratory flight from Africa to its breeding ground in Mongolia.
Author Archives: BBC News - Science & Environment
Australia’s megafauna roamed the tropics with first humans but then disappeared
New evidence shows climate change may have wiped out Australia's giant beasts.
Dinosaur asteroid’s trajectory was ‘perfect storm’
The angle at which a life-destroying space rock hit Earth 66 million years ago was lethal.