'Man-eating tiger' to stay in zoo

A court in India's Rajasthan state rejects a plea to release a tiger who has been branded a killer and caged.

Posted by on 29 May 2015 | 4:32 am

Great Barrier Reef status at risk

Australia holds its breath ahead of a Unesco decision about the Great Barrier Reef

Posted by on 29 May 2015 | 3:13 am

US-China tensions rise over Beijing's 'Great Wall of Sand'

The US is expected to have tough words with China at a regional security meeting, over Beijing's building activities in the South China Sea, says Jonathan Marcus.

Posted by on 28 May 2015 | 8:19 pm

How do you pick up an oil platform?

How do you pick up an oil platform?

Posted by on 28 May 2015 | 7:47 pm

Alloy bounces back 10 million times

Engineers produce a "shape memory alloy" that can pop back into shape more than 10 million times, shattering previous records for this type of material.

Posted by on 28 May 2015 | 7:25 pm

Food bug 'found in 73% of chickens'

Nearly three-quarters of fresh shop-bought chickens test positive for food poisoning bug campylobacter in year-long study.

Posted by on 28 May 2015 | 12:18 pm

VIDEO: 'New species' of ancient human unearthed

A new species of ancient human has been unearthed in the deserts of Ethiopia, after 3,500,000 years.

Posted by on 28 May 2015 | 11:55 am

Black hole seen 'playing billiards'

A series of images captures two vast blobs of plasma, shot out by a black hole, cannoning into each other in a nearly light-speed cosmic collision.

Posted by on 28 May 2015 | 9:19 am

VIDEO: Why the Common Dolphin is becoming more common

The BBC's John Maguire joins a scientific expedition that is studying the Common Dolphin population off the west coast of Scotland, and trying to find out why, until recently, it was quite a rare sight.

Posted by on 28 May 2015 | 2:26 am

Earliest evidence of human violence

A human skull from a deep cave in northern Spain shows evidence of a lethal violent attack 430,000 years ago, a study shows.

Posted by on 27 May 2015 | 7:47 pm

'New species' of ancient human found

A new species of ancient human has been unearthed in the Afar region of Ethiopia, scientists report.

Posted by on 27 May 2015 | 7:42 pm

Robots adapt to damage in seconds

Researchers develop a system that adapts to damage in less than a minute, paving the way for robots in the home.

Posted by on 27 May 2015 | 12:07 pm

Mice in space develop thin skin

A study of three mice that spent 91 days on the International Space Station finds abnormalities in their skin.

Posted by on 27 May 2015 | 10:45 am

Nepal seeks expert advice on tourism

Tourism operators in earthquake-hit Nepal seek guidance from international experts on which areas can be declared safe for trekking and mountaineering.

Posted by on 26 May 2015 | 7:45 pm

Sending ice to Antarctica

Sending ice from the Alps to Antarctica

Posted by on 26 May 2015 | 7:37 pm

Crowd size estimated with phone data

A study tests the idea that large crowds can be counted using data from mobile phone usage and Twitter.

Posted by on 26 May 2015 | 7:10 pm

Cold sore virus 'treats skin cancer'

A genetically engineered version of a virus that normally causes cold sores shows real promise for treating skin cancer, say researchers.

Posted by on 26 May 2015 | 5:43 pm

How Arctic ozone hole was avoided

The Antarctic ozone hole would have been 40% bigger and a hole over the Arctic would have opened up if ozone-depleting chemicals had not been phased out, according to research.

Posted by on 26 May 2015 | 10:58 am

Volcano erupts on Galapagos island

A volcanic eruption on one of the Galapagos Islands potentially puts Charles Darwin's evolution ecosystem at risk.

Posted by on 26 May 2015 | 5:14 am

VIDEO: Where does Crossrail waste earth go?

The BBC's Andrew Bomford finds out where the millions of tonnes of earth go that have been excavated during the cross rail project.

Posted by on 26 May 2015 | 12:32 am

VIDEO: Solar plane pilot: 'Weather risk too big'

The planned flight of the sun powered plane, Solar Impulse 2, has been postponed.

Posted by on 25 May 2015 | 6:00 pm

Solar Impulse awaits 'moment of truth'

Solar plane needs weather on its side for week-long Pacific flight

Posted by on 25 May 2015 | 3:44 am

The great 'Mars bake-off' begins

How to clean a room before building a Mars rover

Posted by on 23 May 2015 | 9:43 pm

VIDEO: How an ancient parasite was frozen in time

Professor David Siveter from the University of Leicester explains how a 425 million year-old parasite was frozen in time at a site in Herefordshire.

Posted by on 22 May 2015 | 4:02 am

VIDEO: Dog evolution 'earlier than thought'

Dogs may have been domesticated much earlier than previously though, Swedish researchers suggest.

Posted by on 22 May 2015 | 12:41 am