Soot trapped in the feathers of songbirds over the past 100 years is causing scientists to revise their records of air pollution.
A new study has found traces of neonicotinoid chemicals in 75% of honey samples from across the world.
New figures show the UK government failed to reduce illegal levels of air pollution in the 18 months after a court ordered it to clean up the air.
The 2017 Nobel Prize in chemistry has been awarded to three scientists for improving images made of biological molecules.
Despite signs that numbers of giant pandas are rising, suitable habitat has shrunk, according to satellite data.
Australia will establish a national space agency, the government has said.
Scientists have engineered an antibody that attacks 99% of HIV strains and can prevent infection in primates.
The biggest and the smallest of the world's animals are most at risk of dying out, according to a new analysis.
The 2015 Paris agreement's ambitious goal of limiting global warming to 1.5C remains within reach, a study suggests.
Criminal networks smuggling rhino horn out of Africa are turning it into jewellery to evade its detection in airports, an investigation has found.
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