BBC

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

Ancient 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.

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

New research from Swansea University challenges the idea that older people are dangerous drivers.

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.

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.