BBC

It's a leap year which means there's an extra day in the calendar - 29 February 2020. But why do we need it?

The UK will endeavour to continue in an EU science programme after Brexit.

Campaigners say plans for a third runway should be cancelled, but the airport says it will appeal.

The hungry ducks could be sent to devour locusts that are devouring crops in Pakistan, experts say.

Investors are facing scrutiny like never before about what they're doing to tackle climate change.

A gallery of landscapes of UK chemical and biological weapon sites by photographer Dara McGrath.

Thousands of Indonesian coral farms had to close after an export ban, but a policy U-turn offers hope.

A ruling will decide whether Heathrow's expansion plan should have taken the climate more into account.

The discovery comes from new research that could boost conservation plans.

A shepherding spacecraft grabs an ageing telecoms satellite to help extend its mission life.

Sir Richard Branson's firm says it is releasing more tickets for flights into space.

The winners of the Underwater Photographer of the Year competition 2020.

A native predator of the red squirrel seems to be an unlikely ally in its battle with its grey rival.

A campaign is underway in Paris to ban heaters due to concerns about their electricity use.

The price of tomatoes have skyrocketed in East Africa in recent weeks after floods ruined crops.

The head of the Environment Agency says new buildings should be made more resilient to flooding.

From animals to humans, how did the deadly coronavirus make the leap? We look at the scientific evidence.

3D printing is meeting some of the ambitions touted when the technology emerged 20 years ago.

But the UN health body says the coronavirus outbreak does not yet meet the criteria for a pandemic.

The US space agency's InSight probe detects over 450 significant seismic events since landing in 2018.