Cooperation in animals has long been a major focus in evolutionary biology. In particular, reciprocal altruism, where helpful acts are contingent upon the likelihood of getting help in return, is…

Ongoing field trials since 2002 by a team that includes 16 farmers, Cornell researchers and Cornell Cooperative Extension field crops educators in 10 counties are showing the value of on-farm…

Picking a mate isn’t easy—if you are a female iguana. In a study Maren Vitousek of Princeton University and colleagues found that female Galápagos marine iguanas spend a lot of energy picking a mate…

Fish use the threat of punishment to keep would-be jumpers in the mating queue firmly in line and the social order stable, a new study led by Australian marine scientists has found. Their discovery,…

A bee’s favorite color can help it to find more food from the flowers in their environment, according to new research from Queen Mary, University of London. Dr Nigel Raine and Professor Lars Chittka…

The extinction of many large mammals at the end of the Ice Age may have packed an even bigger punch than scientists have realized. To the list of victims such as woolly mammoths and saber-toothed…

A specimen of the Wollemi pine, an Australian conifer and one of the world's oldest tree species, has been donated to Bergianska Garden at Stockholm University in Sweden. The Wollemi was discovered…

It's no secret that humans can recognize siblings on a biological level. Now it turns out plants can also, according to biologists at McMaster University. Even more, they get downright competitive…

A remarkable new long-necked, gliding reptile discovered in 220 million-year old sediments of eastern north America has been discovered, scientists report. Mecistotrachelos apeoros (meaning "soaring…

In flowers called columbines, evolution of the length of nectar spurs--the long tubes leading to plants' nectar--happens in a way that allows flowers to match the tongue lengths of the pollinators…