BBC

A new study is looking at the impact of sleep on your brain power.

The US rocket company makes two launches twice in just over 24 hours.

Meng Meng and Jiao Qing arrive in Germany from China ahead of a visit by Chinese President Xi Jinping.

The Yellowstone grizzlies are about to be taken off the endangered species list - after they were first added more than 40 years ago.

Zola has been cooling off in his favourite blue swimming pool at Dallas Zoo.

Wild chimpanzees have changed their hunting strategies in response to being watched and followed by scientists, observations suggest.

Two chimp 'tribes' have developed different hunting habits in response to human presence.

Kazakhstan's Expo 2017 provides a taste of what could be the future of greener and renewable energy.

The tiny satellite was designed by Rifath Sharrook, 18, and manufactured using a 3-D printer.

The shrinking size of whales over the 20th Century could help scientists detect when wildlife populations are in trouble, a study suggests.

OHB and SSTL will make the next eight, possibly even the next 14, satellites for Europe's GPS.

The conservation group WWF is warning that koalas could be wiped out in some Australian states amid deforestation and increasing attacks by livestock.

Could an effort to gather genetic data from its population of one billion people help India take the lead in advanced healthcare?

The obscure and difficult to reach tracts of the seabed being claimed in the hope they contain mineral riches.

A government plan to protect the UK's £13.7bn space industry has been laid out in the Queen's Speech.

Scientists crack the problem of why two-wheeled suitcases can rock from side-to-side and turn over.

Prof Stephen Hawking has called for leading nations to send astronauts to the Moon by the end of this decade.

After decades in the planning, a space mission to detect gravitational waves finally gets the go-ahead.

A million-year-long period of volcanic activity led to the rise of the dinosaurs, a study suggests.

The domestic cat is descended from wild cats that were tamed twice - in the Near East and then Egypt.