Life was already organising itself into large communities of cells more than a billion years ago, new evidence from China suggests.

The EU's new Sentinel-2a satellite builds a cloud-free view of Africa as it moves towards full capacity mapping.

The Zika virus could spread to Europe this summer, although the likelihood of an outbreak is low to moderate according to the World Health Organization.

A new report says that global agricultural emissions must be slashed to prevent the planet warming by more than 2C over the next century.

Neuroscientists find that when we navigate a train network, our brains split the task into a hierarchy of different jobs - a strategy that AI developers want to mimic.