The latest stories from the Science & Environment section of the BBC News web site.
Updated: 8 min 39 sec ago
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.
Can you spot scenes from the film Gravity in our gallery of Nasa's space pictures? Try our quiz and find out.
Could UK emulate France's approach to nuclear waste disposal?
Where next for artificial hearts after death of French patient?
Astronauts aboard the International Space Station send congratulations to the producers of Gravity for their Oscars success
A highly sensitive magnetic material that could transform computer hard drives and energy storage devices has been discovered.