Researchers come together to reveal the circadian rhythms of tuco-tucos

3D reconstructions highlight new characteristics of dinosaurs

Fossilized burrows suggest complex organisms arose before the Cambrian

Bees and ants recognize each other through compounds that cover their bodies

An effort has mapped the global distribution of 10,064 reptile species

Nearly 400 new species are discovered in the Amazon

At the bottom of the Amazon

Cleaner fish obtain food by removing parasites from larger fish

The average size of the tambaqui has halved and it is less frequently caught

Tracked in movement

Insecticides that coat commercial seeds are affecting bee populations

The comforts of home

Genetics explains color of seedeater plumage and atrophied wings of cormorants

Nearly half of the bat species in Brazil live in cities

Inventory finds unexpected species diversity in the São Paulo capital