The latest stories from the Science & Environment section of the BBC News web site.
Updated: 1 hour 3 min ago
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.
The BBC's Andrew Bomford finds out where the millions of tonnes of earth go that have been excavated during the cross rail project.
The smallest and rarest marine dolphin in the world could be extinct within 15 years if protection is not stepped up, according to research.
The state-of-the-art hospital for poorly birds in Qatar
Is the lorry driver of the future a piece of software?
The planned flight of the sun powered plane, Solar Impulse 2, has been postponed.
Islamic State's capture of Palmyra in Syria threatens the last surviving colony of the northern bald ibis in the Middle East, experts says.
Beavers should be resident in Scotland says the National Trust as it announces its support for reintroduction projects.
Solar plane needs weather on its side for week-long Pacific flight
The first round-the-world solar-powered flight, known as the Solar Impulse Two, is hoping to make the next and most difficult leg of its journey.
Renowned mathematician John Nash, subject of the film A Beautiful Mind, dies in a New Jersey taxi crash with his wife.
How to clean a room before building a Mars rover
Can California learn to live with drought?
Breeding a new plant to save coffee from extinction
Purring spiders use leaves as microphones and speakers to transmit their purring courtship song to a female, scientists find.
The element that made the modern era gleam