The latest stories from the Science & Environment section of the BBC News web site.
Updated: 6 min 17 sec ago
There is now Pyongyang Time to add to Greenwich Mean Time, Eastern Standard Time and Lord Howe Standard Time. Time zones are as much about politics, diplomacy and rebellion as they are about... the time.
Physicists unveil a raft of new findings about neutrinos bombarding the Earth from above, below - and within.
Archaeologists want the public's help as they attempt to tackle what they describe as the "final frontier" - England's coastline.
Australian flights to and from the holiday island of Bali are halted due to a persistent volcanic ash cloud.
The BBC's Richard Westcott speaks to Prof Graham Braithwaite at The Accident Lab at Cranfield University, where air accident investigators are trained.
Would a hunting ban cost more lives than it saves?
Scientists warn that Nepal's devastating April earthquake failed to release all of the stress built up underground, increasing the chance of a quake further west.
A study of global fish populations suggests fast-growth fish species are more vulnerable to population collapses than previously thought.
Ocean experts have said a video modelling of ocean currents predicted that the wreckage of MH370 would be discovered near the remote French Indian Ocean island of Reunion.
Fishermen's leaders warn the creation of Marine Protected Areas around Scotland's coast could result in a modern-day "clearance" that would devastate small fishing communities.
Nasa's Deep Space Observatory satellite has captured composite images of the moon from a million miles away.
The animals scuttling mines in Australia
The long-running mystery of flight MH370
A giant offshore wind farm that could provide power for up to two million homes is given the go-ahead by the government.
Lab-based experiments produce the first evidence of the characteristics of individual fish that leave them at greater risk of getting caught.
Allegations of widespread doping in athletics are "a declaration of war" on the sport, says IAAF vice-president Lord Coe.
Israeli archaeologists say they are trying to decode ancient inscriptions written in Hebrew discovered at a dig in Jerusalem.
The decline of the Hainan gibbon - the world's rarest primate - has been revealed by a trawl through historical Chinese documents.
We need a solution to space junk
Sir James Dyson offers the business advice he wishes he'd had when he started out, as part of the BBC News series, CEO Secrets.