Mars

A team of six researchers survived year-long isolation living without fresh air and fresh food.

(Source: Global Panorama/flickr)

Alarmed W.H.O. calls for immediate action to tackle air pollution.

(Source: U.S. Department of Agriculture/flickr)

Sixteen major food companies urged to cut overreliance on animal protein.

(Source: quapan/flickr)

Experts call it a big breakthrough for parents with genetic conditions.

Psittacosaurus

Discovery valuable to get insight into extinct species, habitats & ecologies.