BBC

Potent chemicals are unwittingly passed down from mother to calf, according to a UK study.

As the UN has its annual climate change conference, we look at what it's for and if it ever makes a difference.

The Malagasy tree boa is under threat from poaching and fires.

The tiger has traversed 1,300km in five months, the furthest a big cat is known to have walked in India.

The notion that thinning ice shelves enable glacier speed-up and mass loss is cemented.

Almost 200 countries are meeting in Madrid to discuss what they're doing to tackle climate change.

Politicians and diplomats meet in Spain as scientists and charities say urgent steps are needed.

The foam is said to be caused by pollutants in sewage mixing with sea water and frothed by waves.

Fishing nets and rope were among the debris found inside the whale which stranded on the Isle of Harris.

Delegates from almost 200 countries meet in the Spanish capital on Monday.

Henrik Stiesdal has been thinking about wind turbines since he was a teenager.

The new fruit took US scientists two decades to develop and the launch cost $10m (£7.9m).

Fifteen-year-old Cheikh Bamba Diaby got into robotics after he had to unblock his sister's mobile phone.

The mammal, believed to be a minke whale, was found below Battersea Bridge in London.

The Hollywood actor dismisses Jair Bolsonaro's claim he "gave money to set the Amazon on fire".

A fridge recycling plant believes it has found a more sustainable way to dispose of them.

A UK team arrives in Antarctica to test its theory for why so few iron meteorites are found there.

A huge wildlife haven is at risk as Russian coal ships exploit melting Arctic ice in Siberia.

A multi-billion-euro funding package for the European Space Agency is agreed by its member states.

Burning of the rainforest appears to speed up the melting of tropical glaciers, scientists find.