Feral cats double the size of domestic tabbies. Cane toads with longer legs. And dingoes with flexible joints. ‘Selection pressure’ is at work on introduced animals.
Pterosaurs are not dinosaurs.
Warpaint/Shutterstock
In winter, light in the northern latitudes is dim and very blue compared to summer light. Reindeer eyes have evolved to be better suited at seeing in this unique environment.
Issa chimpanzees live in a woodland dominated environment interspersed with riparian forests, grasslands, and rocky out-crops.
Photo: R. Drummond-Clarke/GMERC
The human Y chromosome could disappear over time, putting our species in jeopardy. But some rodents have managed just fine without it – and we now know how.
It’s hard to imagine the world without Homo sapiens. But it’s unlikely we would be here if it wasn’t for a chance asteroid collision.
Researchers discovered five new species of black corals, including this Hexapathes bikofskii growing out of a nautilus shell more than 2,500 feet (760 meters) below the surface.
Jeremy Horowitz
Black corals provide critical habitat for many creatures that live in the dark, often barren, deep sea, and researchers are learning more about these rare corals with every dive.
Neanderthal reproduction in Trento Museum of Natural History.
Luca Lorenzelli/Shutterstock
New genetic research shows humans’ famed ability to adapt our behaviour and develop new tools and techniques has not always been enough to survive when times have grown tough.