Main headlines:
Aurora Australis: Colourful show hits Australia and New Zealand

Onlookers are treated to a spectacular display as the Southern Lights hit Australia and New Zealand.

Climate change: Trump keeps world waiting on Paris deal

The US president says he will announce this week if he will pull out of the Paris agreement.

Britain's great explorations now online

The Royal Geographical Society is releasing films of its scientific explorations from the early 20th Century.

Terrorists' moral judgment probed in psychology test

Researchers say their study identifies "cognitive factors" that might lie behind brutal acts.

Juno peers below Jupiter's clouds

Scientists say the Solar System's biggest planet is showing itself to be far more complex than anyone thought.

New Zealand space launch is first from a private site

The first ever launch from New Zealand is a step towards making it cheaper to get cargo into space.

Schiaparelli: Crashed lander was ill-prepared for Mars

The crashed European spacecraft Schiaparelli was ill-prepared for its attempt at landing on the surface of Mars, a report suggests.

Flamingo balancing act saves energy

Flamingos expend less energy standing on one leg than in a two-legged stance, scientists confirm.

Frozen 'space sperm' passes fertility test

Viable mouse sperm stored in space gives hope for sperm banks on the Moon, a Japanese team says.

Lean-burn physiology gives Sherpas peak-performance

Nepalese mountain guides have a physiology that uses oxygen more efficiently than lowlanders.

Brexit barriers 'would harm science', say universities

Make science and research a priority in Brexit talks, says Russell Group.

Tax plastic drinking straws, firm says

A waste disposal firm claims that plastic drinking straws are "the ultimate in human wastefulness".

Mount Everest's famous Hillary Step destroyed, mountaineers confirm

The world's highest mountain poses new hazards after the collapse of a key rocky outcrop.

All three chicks at Cairngorms osprey nest die

The nest in the Cairngorms in which three osprey chicks had hatched now appears to have been abandoned.

Norway to boost protection of Arctic seed vault from climate change

Measures are announced after water enters a frozen facility guarding the world's key crop seeds.

China claims breakthrough in mining 'flammable ice'

The vast reserves of methane hydrates under the bottom of the sea could be key to future energy needs.

UN looks to protect birds from green energy threats

Shutting down wind farms when birds pass over is one of the methods being tested to save migrating species.

Nasa seeks experiment ideas for Europa lander

Nasa is seeking the best ideas for experiments to fly on a mission that will land on Jupiter's moon Europa.

Greece battles locust plague on Agios Efstratios island

Locals say sheep on Agios Efstratios are starving as so much plant life is being devoured by swarms.

Recycling body criticises Pringles and Lucozade packaging

The packaging for Pringles and Lucozade Sport are among the most difficult to recycle, a trade body says.

Treasure trove of new plant discoveries revealed

Almost 2,000 plants new to science have been identified in the past year, but many are at risk.

Cities need 'hedges as well as trees' for environment

Scientists suggest smaller plants are better at absorbing air pollution around tall buildings.

Google DeepMind patient app legality questioned

A leaked letter throws doubt on the legal basis for sharing 1.6 million patient records with DeepMind.

Snail's DNA secrets unlocked in fight against river disease

Scientists have decoded the genome of a snail involved in the spread of a deadly parasitic disease.

Florida man tries to kiss rattlesnake; gets bitten

"One boy said: I'm going to kiss it in the mouth," the snake's owner said.

Bangalore water woes: India's Silicon Valley dries up

Drought, excessive construction and a water cartel are all adding to Bangalore's woes.

Harambe: A year from gorilla death which sparked numerous memes

Social media users target Cincinnati Zoo on the anniversary of Harambe's killing.

Can fish skin help treat burns?

Doctors in Brazil are experimenting with a new treatment for burns by using fish skin.

Endangered turtle set free in Florida

Antibiotics and vitamins helped the injured loggerhead sea turtle back to health in Marathon, in the Florida Keys.

The moment a sea lion pulls a girl under water

Experts warn against getting too close to wild animals after a sea lion pulls a young girl under water.

Two dead whales at Felixstowe and Orford

One is up a river estuary, the other is awaiting removal from a beach.

Remote island has 'world's worst' plastic rubbish density

The uninhabited Pacific island is littered with 37.7 million pieces of plastic debris, scientists say.

Dinosaur asteroid hit 'worst possible place'

How different Earth's history might have been if the space rock had struck a different location.

Why does Belgium shine so brightly?

Tens of thousands of people marvel over shots of brightly lit Belgium taken from space.

The DNA detective

A man abandoned as a baby 61 years ago traced his family using a DNA detective. But what do they do?

Herd knowledge

As a warming climate threatens traditional food supplies in the Arctic, one rural Alaskan village is flying in hundreds of reindeer by cargo plane. James Cook went to find out why.

A creepy solution

What are the options for tackling antibiotic resistance?

Reproductive rebels

Contraception wasn’t just socially groundbreaking - it also changed the professional landscape.

Big birds

Super-sharp images from a US satellite are keeping track of remote bird-breeding sites.

Staying on course

Land Speed Record holder Andy Green describes how the Bloodhound supersonic car will drive in a straight line.

Keep out

The minefields laid in the Falkland Islands 35 years ago have been a blessing for penguins, which are not big enough to trigger explosions. But now the time has come for their home to be demined.

Big bang theory

Pioneering work that extracts information from audio of gunshots could help solve criminal cases.

Sending Data...