The latest stories from the Science & Environment section of the BBC News web site.
Updated: 2 hours 58 min ago
Pluto's major moon, Charon, takes centre stage in this week's release of new pictures from the New Horizons mission.
A massive sinkhole opens up on a street in St Albans, forcing the evacuation of several families during the night.
Why charging for carry bags is probably a good idea
Zimbabwe is to ban electric water heaters and require all new properties to use solar power, in an attempt to tackle big power shortages.
Modernising Africa's agriculture sector to attract young people will help tackle youth unemployment and food insecurity, a report suggests.
Former Labour science minister Lord Drayson says his government made a mistake in promoting diesel cars as they are "killing people".
Can people be persuaded not to use so many bags?
A satellite designed to provide high-speed internet services to 200,000 Australians living in rural areas is launched from South America.
The UK has 34 universities in the Times Higher Education ranking of the world's top 200 institutions, with Oxford climbing to second best globally.
The discovery of plastic in the guts of Thames fish highlights the need for everyone to take greater care with how they dispose of rubbish, say campaigners.
What would the first UK womb transplant involve?
A "grumpy" 31-stone (200kg) tiger with an infected canine tooth, is treated by a Mayfair dentist.
The team behind Nasa's Dawn mission to Ceres releases striking new images, but remains unable to explain the dwarf planet's most intriguing mystery.
Free energy from the air. It sounds like a fantasy but that is what entrepreneur Lord Drayson has just unveiled at London's Royal Institution.
Scientists record the first video footage of tiny killer flies catching prey in mid-air, in a study of how the creatures pick their targets.
Leading figures in the scientific community argue for a lift in public research spending to boost the British economy.
Neuroscientists have recorded the first video footage of a tiny killer fly catching its prey in mid-air.
Can we visit Mars if it's wet?
Conservationists have identified six areas in the Western Highlands as places where the wildcat has the best chance of surviving, as Graham Satchell reports.
UK scientists germinate seeds from the endangered Japanese Birch, a species with only 21 known survivors in the wild.