The latest stories from the Science & Environment section of the BBC News web site.
Updated: 10 min 2 sec ago
Warmer temperatures are causing malaria to spread in the African and South American highlands, traditionally havens from the disease, scientists say.
A French scientist has unravelled a formula for trick roping, made famous in Western movies, to teach himself how to lasso like a cowboy.
Two classic cowboy rope tricks in super-slow motion.
HMS Vanguard is to be refuelled at a cost of £120m after low levels of radioactivity were discovered in the cooling waters of a submarine test reactor.
A great white is about to make history as the first of its species to be seen crossing from one side of the Atlantic to the other.
Doctors have upgraded the immune system of 12 patients with HIV to help shield it from the virus's onslaught.
The world's financial markets could be creating a "carbon bubble" by overvaluing the fossil fuel assets of large companies.
Mysterious lightning flashes that appear to precede earthquakes could be sparked by movements in the ground below, scientists say.
Portuguese scientists identify a dinosaur that may have been the largest predator ever to roam across the European landmass.
A 13-year-old schoolboy creates nuclear fusion in a Lancashire school.
Protecting Somerset Levels to cost tens of millions
Emergency relief is being provided for drought-hit famers in eastern Australia, as Phil Mercer reports.
Scientists using satellite tracking finally have some data on where very young loggerhead turtles go once they leave Florida and the Gulf of Mexico.
A unique family of birds containing just one species has been discovered by researchers.
Cuadrilla's shale gas resource is far bigger than previously thought, according to a geologist with the company.
Screws made from silk have been used to pin broken bones in research that could transform surgery.
Life as a penguin keeper in New Zealand
Oil, mining and shipping companies are debating the Arctic's business and geopolitical future at a two-day summit in London.
The Italian government will unblock 2m euros (£1.6m) in emergency funding to save the ancient city of Pompeii, after rain caused walls to collapse.
A "live fast, die young" life history strategy could have played a key role leading to the high tree diversity in the Amazon, scientists suggest.