The latest stories from the Science & Environment section of the BBC News web site.
Updated: 19 min 12 sec ago
Elephants have enhanced defences against cancer that can prevent tumours forming, say scientists.
Does this creature hold the key to immortality?
A 4,500-year-old African genome reveals how our ancient ancestors moved back and forth between continents.
A number of medals awarded to Antarctic explorer Sir Ernest Shackleton raise £585,000 at a London auction.
The New Horizons mission returns its first colour image of Pluto's atmospheric hazes and shows them to have a blue tinge.
The European Food Safety Authority publishes its initial risk assessment of using insects as a source of protein for human consumption and animal feed.
The 48-million-year-old fossilised remains of a horse foetus have been described by scientists.
Europe's fundamental physics space mission, Lisa Pathfinder, arrives in French Guiana to prepare for its December Launch.
New images from the European Southern Observatory have revealed mysterious ripples around a star close to Earth.
A reassessment of ancient rocks leads scientists to estimate that Earth's inner core started to form earlier than was previously thought, around 1.3 billion years ago.
Corals worldwide are at risk from a major episode of bleaching caused by natural currents and man-made climate change, scientists warm.
Scientists in the United States say the world's coral reefs are being attacked by a phenomenon that's only occurred twice before in recorded history.
Nepal's world-renowned community forests are threatened by a sudden rise in demand for firewood following a fuel crisis, officials say.
A new plant has been launched in the UK which its developers say could offer farmers a reliable and profitable crop.
The rebirth of Mozambique's natural treasure
Israeli Google Lunar X Prize team, SpaceIL, signs a contract to send a lander to the Moon - the first competition group to formally lodge a launch contract.
The 2015 Nobel Prize in Chemistry is awarded for discoveries in DNA repair.
The Russian space agency releases footage of cosmonauts juggling fruit in zero gravity aboard the International Space Station.
A project to help one of Europe's most endangered bat species is awarded £707,000 of National Lottery funding.
Fergus Walsh examines the threat of air pollution to public health.