BBC

Did someone get away with murder? A German detective re-examines a case 5,300 years old.

The Indian and French leaders pledge to fight climate change together and "protect Mother Earth".

Only three countries have not signed up to the Paris agreement - but for very different reasons.

A Canadian doctor says one short letter managed to convince doctors that opioids were safe.

A researcher says re-introducing beavers in England would help water supplies and prevent floods.

They can be controversial, but scientists say beavers are good for the environment and biodiversity.

President accused of "cherry picking" science to bolster argument for withdrawal from Paris accord.

Buildings around the world are lit green after the US withdraws from the Paris climate agreement.

Scientists have accurately reconstructed images of human faces by monitoring the responses of monkey brain cells.

European leaders, businesses and the UN condemn President Trump's decision.

ViaSat-2 enters the record books as the most powerful commercial broadband spacecraft ever launched.

President Trump says pulling out of Paris climate deal will stop world laughing at the US.

Donald Trump's decision to withdraw from climate agreement is criticised by the French president.

President Trump is due to announce plans to withdraw from the Paris climate agreement, US media say.

The UN chief joins leaders of the EU and China in stressing the importance of the Paris agreement.

Scientists pick up once again the distortions in space-time resulting from a huge black hole merger.

The unique deep-sea fish was last spotted back in 1873.

Kate Brooks' documentary focuses on individuals trying to save animals from extinction.

The statement backing the Paris climate agreement is seen a snub to Trump, who is mulling a pullout.

One of the biggest icebergs ever seen is a step closer to forming on the edge of the Larsen C shelf.