BBC

Scientists believe they avoided perils including artillery fire on their way to their traditional breeding ground.

A team of Royal Academy of Engineering scientists say the risk from human faeces is increasing.

One patient who lost movement in her hand can now use it to scroll on a smartphone.

One man describes the condition as "probably the worst ailment" he has had in his adult life.

Another spectacular light show could come within two weeks as Sun storms reach 11-year high.

Another spectacular light show could come within two weeks as Sun storms reach 11-year high.

Watch video of the super-fast Dana squid as it flashes its immense light-emitting organs.

The iconic trees evolved on Madagascar 21 million years ago and later spread to other countries.

The endangered puffin - one of Britain’s most iconic seabirds - is at the centre of a battle over the UK’s post Brexit freedoms.

Illegal shipments of rosewood continue and some of the profit ends up with jihadists, research says.

Millions of litres of raw sewage was pumped into one of the UK's most famous lakes after a fault.

Clues hidden deep in their trunks shows just how unprecedented last year's heat was.

A new national food security report finds the UK is too reliant on imports of fruit and vegetables.

Twenty-seven new sites have been designated for summer pollution monitoring.

Twenty-seven new sites have been designated for summer pollution monitoring.

Frantic efforts are being made to save the endangered mountain chicken frog, native to just two Caribbean islands.

Alok Shukla has spent years fighting to protect a key Indian forest from mining companies.

A conservationist is on a mission to keep a Welsh island a sanctuary for native red squirrels.

A solar storm of this scale can cause disruptions to infrastructure such as the power grid.

The local wildlife trust hopes the tunnels will boost the reptile's numbers by encouraging mating.