BBC

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.

A lump of faeces stored in the back of a Danish museum is traced back to a 17th-Century bishop.

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

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

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

A third structure is found within the famous Kukulkan pyramid in eastern Mexico, experts say.

Pluto may harbour a slushy water ocean beneath its most prominent surface feature, known as the "heart".

Sampling DNA from seawater may be one way to check up on ocean life, according to research.

New research indicates that for brain connections to be properly formed in babies' brains, they need to feel safe, secure and loved.

The US secretary of state John Kerry says that the overwhelming majority of US citizens support the US taking action on climate change.

Researchers find traces of oil from the Deepwater Horizon spill in birds' feathers.

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

The BBC's Bryony Hopkins asked Londoners for their idea of the perfect cup of coffee.

French president Francois Hollande says that the US must respect their commitments made under the Paris Climate Agreement.

Mathematicians are a step closer to understanding what makes a perfect cup of coffee.

German researchers compile a 400-species Citree database to encourage people to plant the "right tree for the right place" in urban areas.

An extinct bird that lived 120 million years ago had iridescent feathers, probably to attract a mate, fossil evidence shows.

Photos of a Russian bear with a tin can stuck in its mouth 'highlight the dangers of litter'.

The Paris climate agreement will survive a Trump presidency, says the US climate change envoy.