The latest stories from the Science & Environment section of the BBC News web site.
Updated: 4 min 34 sec ago
The search for England's "Tree of the Year"
The self-made 30-year-old health care boss who's worth $4.5bn
Scientists may have identified the first known dust particles from outside our Solar System, in samples returned to Earth by a Nasa space mission.
A crackdown on fish poaching across Wales has seen 139 people prosecuted in the first four months of the year, says Natural Resources Wales.
A week after arriving at Comet 67P/Churyumov-Gerasimenko, Europe's Rosetta probe is busy acquiring the information needed to select a landing site.
Unusual weather in the Western US has caused an apparent "swap" in weather systems between Arizona and Washington State.
MSPs call on ministers to ban certain pesticides in a Holyrood debate on the plight of bees.
Guinea declares a national health emergency as it battles to curb the spread of the deadly Ebola virus that has killed more than 1,000 people.
A battery tattoo powered by perspiration has been unveiled by chemists in California.
Collaboration between the US and Russia on the International Space Station (ISS) could be jeopardised as tensions between the two nations create political disputes.
How does Ukraine crisis affect US-Russian co-operation in space?
WorldView-3, the most powerful commercial imaging satellite ever built, goes into orbit on a rocket launched from California, US.
A "mammoth" that last walked on the Norfolk coast more than 700,000 years ago returns to the beach.
Scientists say the potential remains for further big earthquakes in North Chile, along the stretch of coast hit by a Magnitude 8.2 tremor in April.
The World Health Organization classifies Kenya as a high-risk country for the spread of Ebola, as the number of people killed by the virus rises.
A 10 foot long fish which used to dominate the Amazon river has been fished to extinction in a number of areas, a new study shows.
An Iranian mathematician working in the US has become the first ever female winner of the celebrated Fields Medal.
A replica mammoth is walked along a beach in Norfolk retracing the steps of its extinct ancestors that roamed the area more than 700,000 years ago.
The international chemical weapons watchdog says all the precursor chemicals for sarin gas removed from Syria have now been destroyed.
The waste fibres from hemp crops can be transformed into high-performance energy storage devices, US scientists say.