The latest stories from the Science & Environment section of the BBC News web site.
Updated: 1 hour 55 min ago
British astronaut Tim Peake asks schoolchildren to help him with one of his scientific experiments.
Increasing crop yields could help meet the rising global demand for more food while sparing land to protect biodiversity, a study suggests.
A female sand tiger shark has slowly eaten a smaller male shark in a Seoul aquarium, bite by bite
Sophisticated geometry - the branch of mathematics that deals with shapes - was being used at least 1,400 years earlier than previously thought, a study suggests.
The past 30 years in Europe have been the warmest in more than two millennia, according to new research.
Octopuses that stand tall, darken and spread their web in a "Nosferatu pose" are likely displaying complex social interactions, according to new research.
The design for Europe's new Ariane 6 rocket has been settled and development will now move on apace to an anticipated first launch in 2020, say officials.
The World Health Organisation has convened an emergency committee to discuss the spread of the Zika virus, which has been linked to thousands of birth defects in Latin America.
Polecats, which were almost wiped out in Britain 100 years ago, are now spreading across Britain, a survey shows.
Polecats, which were almost wiped out in Britain in the last century, have made a remarkable recovery. Naturalist Chris Packham explains.
A study shows for the first time that bed bugs in the US have developed resistance to neonicotinoids, the world's most widely used insecticides.
Health officials battling the Zika virus in Brazil say as many as 100,000 people could have been infected in one city alone.
Russia's troubled space port nears launch
Work is nearing completion on building Russia's new Vostochny space port, designed to replace the Baikonur launch facility in Kazakhstan.
Are fitbands the future of genetic research?
Would it be right to completely eradicate mosquitoes?
Commercial satellite giant Intelsat launches the first of its new Epic spacecraft - a next-generation high-throughput telecommunications system - that will be critical to the future fortune of the company.
An artificial intelligence program developed by Google beats Europe's top player at the ancient Chinese game of Go, about a decade earlier than expected.
The planned introduction of 30 Marine Protected Areas off Scotland has sparked a "passionate debate", says the environment secretary.
The Devils Hole pupfish, one of the rarest species in world, may not have existed as a distinct population for as long as once thought.