Ground-breaking work on synthetic organ transplants made Paolo Macchiarini one of the most famous doctors in the world. Now his reputation lies in tatters.

Researchers discover that during sleep the thoughts you care about are more likely to enter your memory.

Written in the sediments of north-west England's lakes is a record of extreme flood events - information that can inform future flood preparedness.

Star Trek has had an “inspirational relationship” with the space programme, says Robert Picardo, who played the medical hologram in Star Trek Voyager.

An investigation into how a SpaceX rocket exploded on the launchpad is uncovering 'the most difficult and complex failure we have ever had in 14 years' says founder Elon Musk.

Virgin Galactic has flown its new rocket plane for the first time in a “captive-carry test” above California.

A probe called Osiris-Rex will sample the asteroid, which is on Nasa's list of Potentially Hazardous Asteroids.

The world's wilderness is vanishing at an "alarming" rate, say conservationists.

Specially designed tags that act as 'daily diaries' are revealing previously unknown animal behaviours.

Britain's native dormouse has declined by more than a third since the year 2000 according to a new report by wildlife charity, the People's Trust for Endangered Species.

Lion hunting in South Africa is a big business, but some groups seem are shooting "canned meat" - animals bred in captivity just to be hunted, the BBC's Alastair Leithead reports.

Nasa launches its Osiris-Rex probe, which will try to grab a sample of rock from an asteroid and return it to Earth.

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.