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

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

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

Some people appear to be born with 'superhero DNA' that cancels out genetic diseases like cystic fibrosis, say researchers.

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