The latest stories from the Science & Environment section of the BBC News web site.
Updated: 4 min 8 sec ago
The iconic name Brontosaurus, which was once used to describe a titanic family of dinosaurs, is being revived after it was killed off more than a century ago.
How will California enforce its strict water rules?
The BBC's Sanjoy Majumder reports from Delhi, considered by the World Health Organization to be the most polluted city in the world last year.
The Large Hadron Collider restarts after a two-year rebuild, with scientists hoping it will provide answers to fundamental questions about the universe.
The LHC sets its sights on a new kind of physics
David Shukman visits the Large Hadron Collider to see the final preparations and look at what the next stage of experiments might discover.
The deadly battle for the animal more valuable than gold
Biotechnology start-up companies are increasingly turning to crowdfunding in order to find investors for their business.
A record number of rhinos were slaughtered for their horns in South Africa last year, and fears are growing for the survival of the species in the wild.
Astronomers witness a key stage in the birth of a very heavy star, using two radio telescope views of the process taken 18 years apart.
Biologists are calling on the public to report sightings of rabbits and hares as part of a conservation effort.
An outline agreement on the future shape of the Iranian nuclear programme is reached after marathon talks between Iran and six major powers.
Pictures from California's record-breaking drought
The Bloodhound car will be bullet-proof as well as fast
The satellite Europe will be sending to Mars early next year enters its final test programme.
Large quantities of plastic debris are building up in the Mediterranean Sea, say scientists.
A camel, whose intact skeleton has been found in a 300-year-old Austrian cellar, was probably ridden by the invading Ottoman army in 1683.
The warm weather of 2014 boosted the number of some butterflies, including one of the UK's rarest species, the High Brown Fritillary, a survey has found.
A novel delivery system for perfume would ensure that a person smells better the more they sweat, scientists have said.
Engineers create unpowered exoskeleton "boots" that use a spring and a ratchet to make human walking 7% more efficient.