The latest stories from the Science & Environment section of the BBC News web site.
Updated: 12 min 27 sec ago
Solar Impulse, a plane powered entirely by the sun, takes off on the most difficult leg of its mission to fly a solar plane around the world from China to Hawaii.
A powerful undersea earthquake south of Japan shakes buildings in the capital Tokyo and is felt across the country.
Scientists are using drones to monitor gray whales of the coast of California.
Awaiting Unesco's decision on a wonder of the natural world
The Great Barrier Reef should not go on the World Heritage danger list, according to a United Nations draft report.
Virgin Galactic's long road to commercial service
The cast and creators of TV comedy The Big Bang Theory create a scholarship fund for low-income science students.
A man from Calgary reported to be a committed creationist finds five fish fossils dating back 60 million years whilst digging a basement.
A court in India's Rajasthan state rejects a plea to release a tiger who has been branded a killer and caged.
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.