BBC News

A mid-air tug of war ensued, above San Juan Island in the US state of Washington.

The seal named Relashio was close to death when he was rescued.

Vast troughs are identified in one of the last places to be explored on Earth - under the ice at the South Pole.

Britain may be denied full access to the EU's Galileo satellite navigation system on security grounds after Brexit.

The UK steps up its war of words with the EU over being shut out of new satellite navigation system.

Initial findings in the National Trust's five-yearly survey suggest an overall decline of 12%.

"Dismissive" dealers are a major barrier to boosting sales of electric cars says a new study.

Enough water to meet the needs of 20 million people is lost through leakage every day, the report says.

DNA research team say sampling of Loch Ness could uncover evidence of new creatures.

Making sense of the Hawaiian volcano with the help of volcanologist Evgenia Ilyinskaya.

A pair of Canada lynx have been caught on camera "screaming" at each other.

The joint US-German Grace satellites go into orbit to monitor Earth's most important resource.

Previously twins born in the herd in the Cairngorms have been stillborn or died shortly after birth.

Critics of the government proposals say they put too much responsibility on local councils.

The world's largest amphibian is in "catastrophic" decline, with probably only a handful left in the wild.

A genetic study reveals the secrets of how malaria evolved to be a killer of humans.

Drivers may be confusing autonomous cars with driver assistance technology, with sometimes fatal consequences.

The Prime Minister makes the strongest commitment yet to "fully associate" the UK with the EU's £68bn research programme post-Brexit.

Some 4,000 vaccines are being used to try to stop an outbreak that has killed at least 26 people.

China has launched a relay satellite to prepare for a Moon rover mission planned for later in the year.

A baby elephant surprised zoo keepers after being born to a mum whose pregnancy they thought had failed.

An asteroid from beyond our Solar System has been orbiting near Jupiter for billions of years, scientists say.

BBC correspondent Chris Buckler explains what happens when lava flow meets the sea.

There's a warning that cocoa plantations in Ghana are being turned into illegal gold mines.

The gardens giving hope and a sense of belonging to Syrian refugees in Iraq.

Visit the 'day spa' where pregnant dusky sharks treat themselves to a warm bath

An industry expert says petrol and diesel cars should be banned by 2030 or 2035, not 2040.

Hedgehog lovers are worried that a rat trap, licensed by the government in England, could harm their spiky friends.

A high-tech solution being tested in Iceland gets rid of waste carbon dioxide by pumping it 1,000m underground.

One third of the world's protected lands are being degraded by human activities, says a new study.

The endangered whale shark has been hiding in plain sight off Madagascar, say scientists.

Critics say it will be as easy to get the go-ahead to do a test drill as it is for a home conservatory.

But projectile boulders are not the only hazard facing islanders near the erupting Kilauea volcano.

Britain is being taken to the European Court of Justice over persistent breaches of pollution limits.

The very first stars to shine in the Universe left a tell-tale trace in a far-distant galaxy.

Three insecticides blamed for bee colony collapses will be restricted to greenhouses.

Some progress has been made in encouraging girls to study A-level physics, but not enough, says report.

Researchers discover an unexplained rise in a compound that is highly destructive to the ozone layer.

London's Science Museum unveils a replica of the probe Europe will send to the inner-most planet.

Campaigners force a referendum on the future use of synthetic pesticides in Switzerland.

More than 27,000 people applied for 1,000 public places at the scientist's Westminster Abbey service.

Two parliamentary committees say ill-thought out policies have driven down clean energy investment.

Testing of the 1,000mph car is pushed back ahead of next year's attempt on the land speed record.

More than 1,600 IT specialists and engineers offered jobs in the UK were denied visas between last December and March, BBC News has learned.

Dinosaurs may have used a unique nesting strategy to prevent their eggs from being crushed.

Forests are increasing around the world because of rising incomes and national wellbeing say researchers.

Memories are transferred from one snail to another in a laboratory.

London warns Brussels that it is prepared to block Galileo technologies from leaving the UK.