BBC News

It's thought the Covid-19 outbreak may have begun in a Chinese market that sold wildlife alongside food.

Millions of stargazers have been witnessing the unusual constellations made up of the low orbit satellites.

Scientists map ancient underwater landslides in the region chosen for Jakarta's replacement.

The graceful bird is making a comeback thanks to re-introduction and habitat restoration.

Europe is heating faster than the global average as data shows last year was the warmest on record.

Last year's failed attempt to locate one of the world's great wrecks has lessons for future efforts.

Environmental crises must not be forgotten amid the pandemic, says the UN Secretary General.

The impact on human health of an invasive ragweed plant may be "seriously underestimated".

The UK government's climate adviser urges ministers to reconsider plans for road-building.

The World Health Organization calls for stricter safety and hygiene when wet markets reopen.

Imports of lavender and rosemary will also be restricted from today to halt a deadly plant infection.

The 60 Starlink satellites launched by Elon Musk's SpaceX firm appear in a line crossing the night sky.

The first known comet to visit us from another star system has an unusual make-up.

The World Health Organization warns high air pollution could be a risk factor for severe Covid-19 cases.

Councils in England can now ban cars from streets more easily to allow space for social distancing.

Sir John Houghton, who accepted the Nobel Peace Prize in 2007, died on Wednesday aged 88.

The hope is blood from coronavirus survivors could treat hospital patients ill with Covid-19.

A new aluminium-based material could make hydrogen-powered cars more practical and less expensive.

The mission will take place on 27 May using a rocket and spacecraft made by private firm SpaceX.

Ukraine's capital is now among the world's most polluted cities, an international ranking shows.

No strangers to isolation, the trio left for the space station months before Covid-19 emerged.

The UK's first person in space has past experience of restricted movement and time away from family.

A drought as bad as any in recorded history may be under way in the US.

Europe's newest space telescope starts its study and characterisation of distant planets.

New experimental findings could help us solve one of the biggest mysteries about the Universe.

Conservation groups say poaching is on the rise as tourism income dries up at wildlife reserves.

Cloud-free skies played a key role in one of the worst years for Greenland's ice sheet.

A vast store of DNA is being used to study why the severity of symptoms for coronavirus is so varied.

As the UK enters it fourth week of lockdown, conservationists say they've seen some hidden benefits.

Firefighters are tackling remaining "hot spots" near the abandoned nuclear plant, officials say.

With only two northern white rhinos left in the world - both female - extinction seems a certainty.

A deadly pathogen affecting Europe's olive trees could cost over €20 billion.

The blazes, burning for several days, also threaten the storage depot for the most dangerous waste.

A three-ply cord fragment made from bark was spotted on a stone tool recovered at a cave in France.

Enhanced images reveal life aboard Nasa's stricken Apollo 13 spacecraft in unprecedented detail.

The US president signed an order this week stating Americans had rights to use resources in space.

Each week, we publish a gallery of readers' pictures on a set theme. This week it is "insects".

After working on Frozen and Big Hero 6, Sarah Airriess left Hollywood to create a graphic about early Antarctic explorers.

The joint European-Japanese mission calls by home on its long journey to the "iron planet".

Fears are growing that gorillas, orangutans and others apes could contract the virus.

Many cities have ambitious plans to boost tree numbers, but development hinders their aims.

Traditional fanfare is abandoned as a team head for the International Space Station.

Five Easter-egg sized decorated ostrich eggs in the British Museum are the subject of a new study.

A plant charity is predicting a boost for wild flowers because some councils have stopped mowing.

Humans have grown crops in areas of the Amazon since the end of the last ice age, a study says.

Mauro Ferrari says he lost faith in the system, but EU science officials say he was asked to leave.

Researchers at two leading universities take different approaches to creating cough-analysing tools.

New evidence has emerged of a link between our impact on nature and pandemics sweeping the world.

Some flowers have remarkable powers of resilience after injuries including being walked on by humans.

Breathtaking images capture the spectacular lunar event in the skies above Europe.