BBC

For the first time, China and Nepal agree an official height for the world's highest peak.

A project on abandoned spaces reclaimed by nature has won the 2020 Earth Photo competition.

Members of the researcher's AI ethics team have published a letter challenging the firm's account.

The US pilot broke the sound barrier in 1947, helping to pave the way for America's space programme.

The possibility of a future powered significantly by clean hydrogen takes a small step closer.

A new high-powered telescope has discovered inexplicable ghostly circles in the sky.

Walkers will make fertiliser by mixing potato waste with CO2 captured from beer fermentation.

By 2100, 92% of glaciers including popular ski resorts could be lost, Aberystwyth University says.

By the 2040s most of southern England may no longer get sub-zero days, new Met Office data suggests.

Campaigners accuse Boris Johnson of mocking his own promises on climate change and emissions.

A search is under way for a capsule carrying the first large quantities of rock from an asteroid.

The virus - said to be "low risk" to humans - has been identified at sites across Great Britain.

Hundreds of people are having long, often painful surgery to extend their legs. Is it worth the risk?

A reconnaissance flight in the South Atlantic obtains spectacular imagery of the giant iceberg A68a.

A Japanese spacecraft is set to deliver its precious sample cache to the Australian outback.

The US space agency has awarded two American and one Japanese firm contracts to pick up lunar soil.

The "ambitious" target would see the UK cutting emissions faster than any major economy so far, the PM says.

Video shows one of the world's largest telescopes at Puerto Rico's Arecibo Observatory crashing down.

The robotic probe lifts off from the lunar surface carrying samples of rock and dust to send to Earth.

The world's most productive astronomical facility releases its third big tranche of sky data.