Evolution

By Carissa Wong Thiomargarita magnifica is large enough to see without a microscope Tomas Tyml The world’s largest known bacteria…

The toad-headed agama can unfold colourful skin flaps at the corners of its mouth to produce a vibrant display, but…

A 2000-generation experiment with bacteria suggests existing variation makes a smaller contribution to evolution than we had thought Life 14…

From the window of a passenger plane flying over the Amazon, the view is breathtaking. “It’s just miles across of…

A mysterious extinction about 540 million years ago may have been caused when early animals began competing against one another…

Chameleons introduced to Hawaii in 1972 have started flaunting brighter colours, probably because they have fewer predators to hide from…

Viruses sequenced from century-old lung samples in German and Austrian museums have shed light on how flu can change over…

The vocal gymnastics of harbour seals, including the ability to significantly raise or lower their pitch, seem not to be…

An ultra-long neck would seem to put aquatic plesiosaurs at a disadvantage, but it turns out their big bodies helped…

For the first time, spiders have been observed escaping sexual cannibalism by flinging themselves away from females, reaching speeds of…