One of the UK's most endangered songbirds is no longer on the brink of extinction, the RSPB says.

With an initial service soon to go live, Europe is extending its Galileo satellite-navigation system by putting up another four spacecraft.

Archaeologists have discovered 81 "rare" tree-trunk coffins at a previously unknown Anglo-Saxon cemetery, it is revealed.

The UK is poised to ratify the world's first comprehensive agreement on tackling climate change.

Astronomers claim to have discovered the roundest object ever measured in nature.

Private rocket firm SpaceX applies for US government approval for a large network of internet satellites.

Scientific analysis of one of the world's oldest cobs of corn shows how maize became one of our most popular cereals.

The asteroid impact that wiped out the dinosaurs moved rock huge distances as it dug out a crater in what is now the Gulf of Mexico, scientists say.