The latest stories from the Science & Environment section of the BBC News web site.
Updated: 8 min 58 sec ago
An international team of architects and scientists have observed "thermal anomalies" at the pyramids of Giza, Egyptian officials say.
An increasingly warped sense of humour could be an early warning sign of impending dementia, say experts.
A new model of the Moon's formation suggests it developed in two stages, leading to inner and outer layers with different compositions.
Russia should be suspended from athletics competition, a World Anti-Doping Agency commission report recommends.
The government's energy policy changes since the general election are likely to increase CO2 emissions, according to analysis by BBC News.
Two possible cryo-volcanoes are identified on the surface of Pluto - huge mountains with a hole in the top that may spew a slurry of ices.
The head of Indonesia's anti-drugs agency proposes building a prison island guarded by crocodiles to house death-row drug convicts.
The test model for what will become the "back end" of the Orion spaceship is sent from Europe to the US for evaluation.
The winners of science and maths prizes worth $22m have been announced at a glittering ceremony in Silicon Valley.
What happened to travelling by hovercraft?
Global temperatures are set to rise more than 1C above pre-industrial levels in 2015, according to the UK's Met Office.
The IAAF will on Monday learn the findings of an independent report into claims of doping cover-ups in Russian athletics.
The chancellor needs to "supercharge" the UK's science base with more funding, says the new chairwoman of the House of Commons science committee.
An ancient pear tree due to be chopped down to make way for the HS2 high-speed rail line is voted the best in England.
US President Barack Obama rejects an application to build the Keystone XL pipeline from Canada because it will not help the economy, he says.
How a plane crash is investigated
The environmental pressure group Greenpeace says its charitable registration to operate in India has been revoked.
Does the smiling face of Layla Richards mark a new era in genetic medicine that could change all our lives?
British astronaut Tim Peake says he hopes his mission to the space station will generate excitement similar to that seen during the Apollo Moon missions.
Timelapse footage has emerged showing a huge shelf rolling onto mainland Australia from the sea. Courtesy Sarah Estela.