The creature, the size of a poppy seed, dates back 520 million years and is almost perfectly preserved.

Fossil hunters said seeing materials go from farm to museum feels" a great achievement.”

Wild chimpanzees seek out medicinal plants to eat when they are sick or injured, a study says.

A study of whales sheds light on the evolutionary puzzle of the menopause.

Experts warn it's "boom time" for invasive species like the Asian hornet. But some native bee species are learning to fight back.

Human brains are bigger than those of our primate relatives, but evidence from extinct human ancestors suggests brain size isn't everything.

Humanity's ideas about aliens have been evolving for millennia – but in the era before television, they were considerably stranger.

Bed bugs around the world are developing resistance to insecticides, and infestations are making headlines. How do we deal with them?