Cave diver explores a Mexican sinkhole in atmospheric photograph
Cave diver exploring Chan Aktun HaMartin Broen The Yucatán peninsula in south-east Mexico is riddled with holes. When a giant asteroid struck Earth 66 million years ago near what is…
Cave diver exploring Chan Aktun HaMartin Broen The Yucatán peninsula in south-east Mexico is riddled with holes. When a giant asteroid struck Earth 66 million years ago near what is…
The oldest known piece of Earth? A 4.4 billion-year-old zirconJohn Valley, University of Wisconsin-Madison Until recently, many discounted the idea that life could have existed on Earth before 3.8 billion…
When palaeoanthropologist Donald Johanson discovered a bone fragment at the Hadar fossil site in Ethiopia in 1974, he knew it was an extraordinary find, but little did he know just…
Illustration of an animal in the genus Deinotherium, which went extinct after the evolution of humansHeinrich Harder/Florilegius/Alamy Human hunting was the key factor in the loss of dozens of elephant-like…
Krusatodon kirtlingtonensis, a small mammal that lived during the Jurassic PeriodMaija Karala In the middle of the Jurassic Period, small mammals had much longer lives than their modern counterparts, and…
A reconstruction of Gaiasia jennyaeGabriel Lio A giant, salamander-like predator that sucked its prey into its mouth, then held it in place with huge fangs, was roaming cold swamps 280…
A Ptychodus shark fossil found in MexicoRomain Vullo Exquisitely preserved fossils of a shark that thrived during the Cretaceous period appear to solve a long-standing mystery around how it hunted…
A Ptychodus shark fossil found in MexicoRomain Vullo Exquisitely preserved fossils of a shark that thrived during the Cretaceous period appear to solve a long-standing mystery around how it hunted…