The latest stories from the Science & Environment section of the BBC News web site.
Updated: 10 min 42 sec ago
The ability to digest milk appears to have become common only very recently in Europe, according to a new study.
Politicians at a UN climate conference in Bonn, Germany are refusing to discuss whether their polices will actually protect the climate.
The US space agency releases a new, higher-resolution picture of the brightest spots on the dwarf planet Ceres.
RAF engineers complete the manufacture of the Bloodhound supersonic car's tailfin - one of the most safety-critical aerodynamic surfaces on the 1,000mph vehicle.
A Nobel laureate apologises for offence caused by comments he made about the "trouble with girls" in science - but says he was being "honest".
A military plane crash was probably caused by computer files being accidentally wiped from three of its engines, according to investigators.
Across Europe puffins have been classified as at risk of extinction because of climate change and a lack of food.
Science lecturer Connie St Louis describes the reaction from delegates as Nobel prize-winning scientist Sir Tim Hunt made chauvinist remarks at a conference.
A woman in Belgium is the first in the world to give birth to a baby using transplanted ovarian tissue frozen when she was still a child, doctors say.
Scientists find evidence of "long term and recurrent" drinking of an alcoholic plant sap among chimpanzees in the wild.
Researchers have discovered what appear to be the remnants of red blood cells and connective tissue in 75 million-year-old dinosaur fossils.
A US storm chaser has captured footage of a large anti-cyclonic tornado swirling over fields in Colorado.
Cities that actively promote physical activities enjoy increased economic activity and reduced healthcare and crime costs, research suggests.
A fossilised skeleton of a meat-eating Jurassic dinosaur found on a south Wales beach is put on show for the first time.
Hundreds of automated cameras capture day-to-day animal life in the Serengeti of Tanzania.
G7 signal intent to move beyond burning of fossil fuels
A fossilised skeleton of a meat-eating Jurassic dinosaur found on a south Wales beach is revealed to the public.
Tom Heap investigates as the former head of Greenpeace UK says it is "morally unacceptable" to reject genetically-modified food.
Nasa has launched a helium balloon to test possible landing systems for future flights to Mars.
Researchers identify a novel way to produce aviation fuel from sugarcane biomass that could deliver an 80% reduction in greenhouse gas emissions.