The latest stories from the Science & Environment section of the BBC News web site.
Updated: 10 min 10 sec ago
Marine mammals brought tuberculosis to the Americas before the Europeans arrived, a study suggests.
Rescuers comb through the site of Japan landslides
Researchers suggest some standard methods to reduce the spread of MRSA infections need to be re-evaluated as they may do more harm than good.
How Ebola crisis has affected West Africa's economies
The history of human evolution has been completely rewritten with the discovery that modern human beings and Neanderthals coexisted in Europe for much longer than previously thought.
Female orb-weaving spiders grow larger and have an increased ability to reproduce when living in urban areas, a new study shows.
An ecosystem thrives in the freezing Antarctic underbelly
A new study suggests that modern humans and Neanderthals co-existed in Europe 10 times longer than previously thought.
Part of the UK's problem with flooding is self-imposed, according to new research.
A new assessment from Europe's CryoSat spacecraft shows Greenland to be losing about 375 cu km of ice each year.
A doctor reports from the Ebola front line
Aerial pictures show flooding across the desert region of Phoenix, Arizona, following torrential storms.
Which is the best eco option - eating beef, chicken or mussels?
For the first time, biologists measure the force applied by climbing snakes and find that they squeeze up to five times harder than necessary.
UK man keeps eye on dangerous asteroids
The man who can create traffic jams and other cyber-warriors
A new study suggests the number of Africa's elephants has declined to a critical point.
A primate confiscated during a drugs raid by police in the Maldives is flown 5,000 miles to the UK to start a new life.
A study suggests the way children draw at the age of four can be a predictor of intelligence 10 years later.
The research arm of the US military is looking into designs for new, hi-tech tanks, focusing less on armour and more on mobility and speed.