The latest stories from the Science & Environment section of the BBC News web site.
The six-wheeled robot has made the hazardous descent to the surface of the Red Planet, China announces.
Part of the River Tame in Greater Manchester is the most plastic-polluted riverbed in the UK, scientists say.
A total of 1,300 oysters have been suspended in the water as part of a restoration project.
Top experts in how diseases spread are calling for massive improvements to the air in buildings.
In a speech ahead of the COP26 event, Alok Sharma will say the coal business is "going up in smoke".
The benefits of hydrogen-powered heating have been overplayed, say environmentalists.
An actress and director will blast off in October - but Tom Cruise also plans to visit the ISS.
"Frequent releases" of sewage create microplastic hotspots in UK rivers.
At 170m long, "Florence" is the largest ever tunnelling machine to be used on a UK rail project.
The initial decision made by Tesla in March to accept Bitcoin caused an outcry from environmentalists.
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