BBC News

A study into the DNA of giraffes reveals they are not one species, but four.

A British student has invented a mobile fridge to transport vaccines on long journeys at the right temperature.

UK researchers launch a global effort to source photos of threatened or destroyed cultural landmarks and compile them into 3D reconstructions, housed within an online map.

It is a famous, gentle giant of the African savannah, but the giraffe's genetics have only just revealed that there is not one species, but four.

As many as 530 key infrastructure sites across England are vulnerable to flooding, according to a government review.

Astronomers at St Andrews university have observed tantalising glimpses of how our own planet may have been born

DNA testing has for the first time confirmed the identity of the bacteria behind the Great Plague of London.

Yosemite National Park in California is to gain a 400-acre addition, its largest expansion in nearly 70 years.

India and Nepal are concerned about flash floods due to a lack of information from China about the state of glacial lakes and rivers in Tibet.

An 18-month study looking at how the weather affects chronic pain reveals some surprising preliminary results.

A seven-month solo journey from India to the UK in a solar and electric-powered tuk-tuk has been paused after the driver's passport was stolen near Paris.

Elderly drivers are less likely to have an accident than young motorists, a study suggests - challenging the idea they are more dangerous on the roads.

UK researchers are developing ways to spot the early signs of oesophageal cancer, which is often not detected until its advanced stages.

Shipping routes across the Arctic are going to open up significantly this century even with a best-case reduction in CO2 emissions, a new study suggests.

Two judges are asked to leave a Swedish panel that picks the Nobel prize for medicine in a scandal over a disgraced Italian transplant surgeon.

New research suggests air pollution could be contributing to diseases such as Alzheimer's.

Much of Earth's life-giving carbon could have been delivered in an asteroid collision about 4.4 billion years ago, a theory suggests.

Ice taken from a retreating Alpine glacier is moved into a freezer at the start of a mission to store it permanently in Antarctica.

Ice taken from a retreating Alpine glacier is moved into a freezer at the start of a mission to store it permanently in Antarctica.

Europe's comet lander Philae, last seen in November 2014, has been identified in new pictures from the Rosetta probe.

Freddie Mercury is honoured with an asteroid named after him to mark what would have been his 70th birthday.

The fossilised skeleton of a 170 million-year-old Jurassic predator discovered on the Isle of Skye is unveiled in Edinburgh.

Human skulls and other artefacts found aboard the Tudor shipwreck, the Mary Rose, are being exhibited online for the first time.

Researchers have captured images of an extremely rare white southern right whale calf off swimming with its mother off the coast of Western Australia.

Pressure is growing on the UK government to ratify the Paris climate change deal immediately.

For the first time, skulls and other artefacts from the 1545 wreck of the Mary Rose warship are being exhibited online, as part of a project testing the limits of digital archaeology.

Grace Livingstone talks to members of Mapuche indigenous communities living near a fracking site in Argentina about their concerns for their health and their environment.

Decades of conservation efforts by China lead to a rise in the number of giant pandas, as they are taken off the endangered species list.

Millions of honeybees have been killed in South Carolina after pesticide was sprayed to kill off mosquitoes that could be harbouring the Zika virus.

Lun Lun, a 19-year-old giant panda, has given birth to twins - she also had twins in 2013.

The US and China - together responsible for 40% of the world's carbon emissions - formally join the Paris global climate agreement.

Plastic microbeads used in cosmetics and cleaning products are to be banned by the end of next year, the UK government pledges.

NASA has released spectacular images of Jupiter that have never been seen before.

The US space agency releases pictures and other data from the Juno probe, which has just made its first close approach to Jupiter since going into orbit in July.

Scientists working on the largest study of ticks in dogs have found that almost one third of dogs checked at random across the UK were carrying a tick.

Thousands of people have watched the Moon pass in front of the Sun, to make a so-called "ring of fire".

A rocket operated by the aerospace company SpaceX explodes on the launch pad at Cape Canaveral where it was being test-fired ahead of a launch.

Europe's biggest biomedical laboratory, the Francis Crick Institute, has opened in London.

SpaceX was fuelling the unmanned Falcon 9 rocket for a test engine firing when the blast happened.

Scientists in China find that a dog vaccine can also protect large livestock against rabies infection.

An annular eclipse delivered a memorable spectacle across several African countries, as the moon's movement creates a "ring of fire" in the sky.

One of the world's rarest stick insects successfully breeds at Bristol Zoo - the first time the species has done so outside Australia.

Free movement between the US and Mexico - the hottest of topics in the 2016 US presidential campaign - is not just a human issue.

A look at Kenya's fast-growing crocodile farm industry, which is enjoying a big rise in demand for the animal's meat, led by China.

A drug that destroys the characteristic protein plaques that build up in the brains of patients with Alzheimer's is showing "tantalising" promise, scientists say.

Some of the world’s earliest life forms may have been captured in squiggles found in ancient rocks from Greenland.

A "smart energy" revolution could help ensure that the UK does not suffer blackouts, according to National Grid's new UK chief.

A pink cockatoo, thought to be the oldest bird of its kind in captivity, has died at a US zoo.

African forest elephants have an extremely slow birth rate, putting them under greater pressure from poaching, a study suggests.

Astronomers in the US have uncovered previously unknown objects in the outer reaches of the Solar System.