BBC News

Scientists in the United States say they have solved one of nature's great navigation mysteries, how Monarch butterflies migrate all the way from Canada to Mexico.

Scientists solve the navigation mystery of one of nature's most famous journeys - the migration of monarch butterflies from Canada to Mexico.

Rising temperatures and longer summers have helped the iconic Alaskan moose conquer vast new stretches of the frozen tundra.

England's only resident golden eagle is feared to have died, Lake District wildlife chiefs say.

Schools in the UK are to receive seeds that British astronaut Tim Peake has sent back from the International Space Station.

Scientists have put together the biggest known library of bat sounds in an effort to identify and conserve rare species in Mexico.

Thousands of schools in the UK will be receiving seeds that have been in space with British astronaut Tim Peake.

Bed bugs might be developing thicker "skins" to help them survive exposure to common insecticides.

In a world first, a quadriplegic man can once again move his own fingers after a chip was implanted in his brain.

What's it going to be like to drive at 1,000mph?

A South African lion, who escaped a national park, will be rehoused with two females rather than put down - and encouraged to become an alpha male.

A tracking study shows that a small, nocturnal songbird crosses the Sahara in a single 40-60 hour flight during its spring and autumn migrations.

A natural flood management scheme saved the North Yorkshire town of Pickering from floods at Christmas, a report says.

Global sea-level rise since the 1970s has been predominantly driven by greenhouse gas emissions and not natural climate variability, a study suggests.

Professor Stephen Hawking backs a project to send spaceships to another solar system within a generation

Astronomers have defined a class of planet that have had their atmospheres stripped away by their host stars.

A python estimated to be 8m (26ft) long has died three days after being captured on the Malaysian island of Penang, officials say.

UK astronaut Tim Peake successfully captures and berths the latest cargo ship to visit the International Space Station.

The estimated number of wild tigers in the world has risen for the first time in more than a century, say conservationists.

The number of wild tigers has gone up for the first time in a century, according to new figures released by the World Wildlife Fund.

Astrophysicists outline what Planet Nine might be like - if indeed it exists.

The private space company SpaceX successfully lands a rocket on a barge floating off the Florida coast.

The US aerospace company SpaceX successfully lands a reusable rocket on an ocean platform, after four previous attempts failed.

Tata Steel is refusing to comment on claims it has made £700m windfall profits from a policy designed to protect the climate.

Experiments show how ribose - an important sugar for life - can form when a simple icy mixture is hit by UV light.

An online competition to become the "chief wombat cuddler" of a baby wombat in Tasmania, has made the tiny marsupial something of a celebrity.

Incompatibilities in the DNA of Neanderthals and modern humans may have limited the extent of interbreeding between the two groups.

While reporting from the Antarctic, the BBC's Victoria Gill takes a dip in the near-freezing sea.

Reducing food waste and changing the way people consume calories will help deliver a sustainable food system and reduce emissions, a study suggests.

British scientists who have set up a network of penguin-monitoring cameras in Antarctica are asking the public to help them carry out their research.

How a newly launched Antarctic citizen science project allows young amateur explorers to adopt and monitor their own penguin colony.

Two studies confirm that multiple supernovae have showered the Earth with radiation within the last few million years.

A team of technologists working with Microsoft and others produce a 3D-printed painting in the style of Dutch master Rembrandt.

Red deer on the outer Scottish islands were probably brought there in boats by Neolithic humans from as far away as mainland Europe, according to a study of ancient and modern deer DNA.

Red deer on the outer Scottish islands were probably brought there in boats by Neolithic humans from as far away as mainland Europe, according to a study of ancient and modern deer DNA.

A hunter in the US tells the BBC how he shot an 800lb (360kg) "monster alligator" that was feasting on his farm's cattle.

An expedition gets under way to drill into the Chicxulub Crater, the deep scar made in the Earth's surface by the asteroid that hastened the end of the dinosaurs.

An expedition gets under way to drill into the Chicxulub Crater, the deep scar made in the Earth's surface by the asteroid that hastened the end of the dinosaurs.

Scientists may be closer to revealing the route taken by Hannibal as he crossed to Alps to attack ancient Rome.

Scientists may be closer to revealing the route taken by Hannibal as he crossed to Alps to attack ancient Rome.

An animal welfare charity attempts to trap a raccoon that was spotted several miles from where one was filmed in the Scottish Highlands.

A government consultation on whether to change the rules governing how contractors deal with protected species when developing sites ends this week.

A government consultation on whether to change the rules governing how contractors deal with protected species when developing sites ends this week.

Vitamin D supplements may help people with a failing heart, a study suggests.

Vitamin D supplements may help people with a failing heart, a study suggests.

A newly discovered 430 million-year-old creature appears to have dragged its offspring around on strings, like underwater kites.

A newly discovered 430 million-year-old creature appears to have dragged its offspring around on strings, like underwater kites.

Space transportation company Blue Origin say they have successfully launched and landed a suborbital rocket, which is capable of carrying six passengers, for the third time.