The latest stories from the Science & Environment section of the BBC News web site.
Updated: 19 min 28 sec ago
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.
How do you pick up an oil platform?
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.
Nearly three-quarters of fresh shop-bought chickens test positive for food poisoning bug campylobacter in year-long study.
A new species of ancient human has been unearthed in the deserts of Ethiopia, after 3,500,000 years.
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.
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.
A human skull from a deep cave in northern Spain shows evidence of a lethal violent attack 430,000 years ago, a study shows.
A new species of ancient human has been unearthed in the Afar region of Ethiopia, scientists report.
Researchers develop a system that adapts to damage in less than a minute, paving the way for robots in the home.
A study of three mice that spent 91 days on the International Space Station finds abnormalities in their skin.
The 'Dementor' wasp named after the Harry Potter creature is just one of many new species discovered in the Greater Mekong.
Tourism operators in earthquake-hit Nepal seek guidance from international experts on which areas can be declared safe for trekking and mountaineering.
Sending ice from the Alps to Antarctica
A study tests the idea that large crowds can be counted using data from mobile phone usage and Twitter.
A genetically engineered version of a virus that normally causes cold sores shows real promise for treating skin cancer, say researchers.
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.
A volcanic eruption on one of the Galapagos Islands potentially puts Charles Darwin's evolution ecosystem at risk.
Should animals be given human rights?
Parts of the iconic Great Orme headland in north Wales are safeguarded for the future after being bought by the National Trust.