Voters in California are set to decide on a divisive proposal on labelling GM foods.

Lead poisoning from spent gun ammunition is a major cause of death among UK waterbirds, scientists say.

Australia launches one of the world's fastest telescopes tasked with surveying outer space and probing the origins of stars and galaxies.

Nasa's Curiosity rover is preparing to scoop its first sample of Martian soil, delivering it to onboard laboratories for analysis.

Britain risks running out of energy generating capacity in the winter of 2015-16, leading to higher prices, energy regulator Ofgem warns.

Stem cells have become "grandparents" after generations of life were created in experiments by scientists in Japan.

A well-preserved mammoth carcass has been found by an 11-year-old boy in the permafrost of northern Siberia.