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The latest stories from the Science & Environment section of the BBC News web site.
Updated: 14 min 42 sec ago

Light crystals clinch physics medal

Tue, 06/30/2015 - 17:08
US physicist Eli Yablonovitch, who first created "photonic crystals" to repel, trap and steer light, will receive the Newton Medal from the UK's Institute of Physics.

'Leap second' delays midnight

Tue, 06/30/2015 - 17:05
Midnight came later on Tuesday as for the first time in three years an extra second was added to the official time set by atomic clocks.

'Circademics' get serious about circus

Tue, 06/30/2015 - 16:02
'Circademics' get serious about the circus

VIDEO: 'I feel like I can fly forever'

Tue, 06/30/2015 - 14:16
A solar-powered plane that is attempting to cross the Pacific Ocean is encountering its first weather front.

Solar plane attempts to cross front

Tue, 06/30/2015 - 09:37
A solar powered plane is encountering its first weather front during its attempt to cross the Pacific Ocean.

Babbler bird calls 'convey meaning'

Tue, 06/30/2015 - 09:28
A bird can communicate by rearranging sounds into calls that convey meaning in the same way that humans use language, say scientists.

VIDEO: Leap second: What does it mean?

Tue, 06/30/2015 - 06:26
Midnight will come later tonight, as for the first time in three years, an extra second is added to the official time set by atomic clocks.

China climate change plan unveiled

Tue, 06/30/2015 - 06:19
China - the world's largest emitter of greenhouse gases - has announced details of its climate action plan.

Climate change 'action needed'

Tue, 06/30/2015 - 03:35
The UK must take urgent action to prepare for the impacts of climate change in the UK, according to a report submitted to the government.

China 'to set out climate pledges'

Mon, 06/29/2015 - 20:24
China is set to reveal how much it will cut carbon emissions by beyond 2020, says Premier Li Keqiang during a visit to Europe.

Astronaut Samantha Cristoforetti on life in space

Mon, 06/29/2015 - 18:24
Italian astronaut Samantha Cristoforetti on life in space

US court blocks key pollution change

Mon, 06/29/2015 - 11:05
The US Supreme Court blocks a key government attempt to limit pollution from the country's power plants after industry challenges the changes.

Council blocks fracking application

Mon, 06/29/2015 - 08:22
An application to start fracking at a site in Lancashire is rejected by county councillors.

VIDEO: 'No going back' for Solar Impulse

Mon, 06/29/2015 - 06:30
A solar-powered plane has passed the "point of no return" in its second bid at making a record-breaking flight across the Pacific Ocean.

Solar plane passes 'no return' point

Mon, 06/29/2015 - 03:46
A solar-powered plane passes the "point of no return" after leaving Japan for a second attempt at a record-breaking flight across the Pacific Ocean.

China's carbon crunch

Sun, 06/28/2015 - 16:55
Charting China's climate change ambitions

SpaceX rocket explodes after launch

Sun, 06/28/2015 - 09:05
An unmanned SpaceX Falcon-9 rocket breaks apart in flames after lift-off from Cape Canaveral, Florida - its first failure in 19 launches.

VIDEO: World's smelliest plant blooms in Edinburgh

Sun, 06/28/2015 - 02:41
One of the world's largest and smelliest flowers has blossomed for the first time in Scotland.

Does the future of wildlife lie in captivity?

Sat, 06/27/2015 - 16:27
Does the future of wildlife lie in captivity?

In search of stag beetles

Fri, 06/26/2015 - 20:10
On a family hunt for the now rarely-seen stag beetle