BBC News

New technology has been unveiled which allows humans to ask robots questions and understand their actions.

It's official, bird song did sound different during lockdown, according to a scientific study.

The UK prime minister says the UK holds extraordinary potential for wind power.

The broadcaster gained more than 200,000 followers within an hour of posting his first video.

A Cuvier's beaked whale stays under water for almost four hours, leaving scientists puzzled.

The government says it is after all ideas for a sovereign satellite-navigation system post-Brexit.

The 54-year-old construction worker ate a bag-and-a-half of black liquorice every day, doctors say.

The rich benefit most from a de facto subsidy for home heating, a report says.

KitKats and Babybel are among other big brands that did badly in the Which? recycling test.

Boris Johnson will urge leaders to "look ahead to how we will rebuild" after the global pandemic.

Scientists trace a wobble in the brightness around M87* - the first black hole ever to be imaged.

The long-finned pilot whales perished after becoming beached on Tasmania's coast.

The findings come after the discovery of 1,200 dinosaur teeth in an ancient river bed in Morocco.

The US is the worst hit country in the world and cases are still continuing to rise, data shows.

Chris Whitty and Sir Patrick Vallance were alarmed by questions over the controversial concept, emails show.

A recent study warns that without intervention many of the continent's ancient sites could be lost.

China's surprise announcement of a long-term goal to curb emissions boosts UN climate talks.

A "green" fund to protect wildlife on England’s farms may be under threat, BBC News has learned.

The US space agency (Nasa) formally outlines its $28bn plan to return astronauts to the Moon by 2024.

One in five species of maple is threatened in their natural habitats, an extinction study says.

UK farmers are complaining of a lack of clarity over how they will be rewarded for tending the land.

The aerospace giant said its hydrogen-fuelled passenger planes could be in service by 2035.

Only in 2012 have satellites seen the summer floes in the polar north more withdrawn than in 2020.

Toxins made by algae in water holes caused 330 elephant deaths in Botswana earlier this year.

Concern about climate change is growing, but there are big differences about the need for rapid action.

Covid-19 provides an opportunity to "reset" the economy for a more sustainable future, he says.

A Canadian company debuts a powerful new capability to monitor the potent greenhouse gas.

The 27 wooden coffins are said to have lain undisturbed inside a well at an ancient necropolis.

Energy companies stand accused of trying to downplay their contribution to global warming.

Scientists are warning about the consequences of vast swathes of ground thawing in Siberia.

A visual guide to the wildfires ravaging California, Oregon and other western states.

A professor has won £2.3m for applying complex maths to simple situations - like stirring tea.

Pollutants still blight all of England's rivers, lakes and streams, the Environment Agency says.

A team of scientists say this explains why those stung feel intense pain lasting for days or even weeks.

The 2020 Ig Nobel prizes honour crocodilian vocalisations, narcissistic eyebrows and vibrating worms.

Using sound waves from underwater earthquakes, researchers can more accurately measure sea temperatures.

Scientists say wildfires in Siberia, Russia, have been releasing record amounts of greenhouse gases, contributing to global warming.

Renewable energy study looks into the secrets of the rocks on which the city's east end stands.

Scientists calculate how many tiny fibres our polyester and nylon garments lose in the wash.

Although marketed as a green option, the cars cause more polluting than is claimed, campaigners say.

Conservation experts urge the prime minister to take a lead on reversing the decline in nature.

Grants will promote ideas to detect, characterise and track the millions of objects moving overhead.

The ancient bear, unearthed by reindeer herders, has been hailed as a find of "great importance".

Humanity is at a crossroads and action is needed to slow nature's accelerating decline, says the UN.

Modified animals could improve sustainable meat production, but safety and ethical issues remain.

A full-size, crewless research ship is to make one of the world's first autonomous transatlantic voyages.

With interest in the possibility of life at Venus, there's an imperative to get more spacecraft to the planet.

Telescope observations spy a gas high in the atmosphere of Venus that on Earth is made by microbes.

The technology giant has also pledged to be using only carbon-free energy by 2030.

At least one humpback whale remains in the Australian river after getting lost.