The latest stories from the Science & Environment section of the BBC News web site.
Updated: 37 min 27 sec ago
Hundreds of climate change protestors have attempted to disrupt shipments of coal from a port north of Sydney using their canoes, kayaks and surfboards to form a blockade.
Scientists from the University of Leicester say they may have solved one of the most enduring mysteries in modern physics: the nature of dark matter.
The public are being invited to name the site on a comet where a European robot will try to land on 12 November.
A fascination of comets is their blackness
A deadly new disease has emerged in Spain that is wiping out amphibians, scientists report.
The presence of carnivores, which control herbivore numbers, helps plants without thorny defences thrive, a study of life on the savannah reveals.
The internal structure of Saturn's moon Mimas is either irregularly shaped or awash with water, according to a new study of its tell-tale wobbling movements.
A Nasa spacecraft has provided the first optical images of ice within permanently shadowed craters on the planet Mercury.
Smart meters widely used in Spain can be hacked to cut power bills, two security researchers find.
Parliament should scrap the Climate Change Act and MPs should stop "exaggerating" the effects of climate change, says Owen Paterson.
The government's energy policy will "fail to keep the lights on", the former environment secretary has said.
Government scientists from Wiltshire are calling for micro-biologists to volunteer in the fight against the growing threat of the deadly Ebola virus.
A family of extinct kangaroos, three times bigger than living species, probably walked rather than hopped, according to a detailed study of their bones.
Why we don't know how many people Ebola has killed
The European Space Agency confirms the decision to try to land a robot on Comet 67P/Churyumov-Gerasimenko on Wednesday 12 November.
Campaigners say the UK will lose its leading position in science and engineering unless current cutbacks are reversed.
Italy will become the first country in Europe to legally require "advanced biofuels" in cars and trucks, the BBC has learned.
The Philae robot, soon to attempt a landing on Comet 67P, takes another dramatic image of the icy object.
How far away is a treatment and vaccine?
A new form of solar cloud is identified by research led by Dundee University into "space weather" emanating from the Sun.