The latest stories from the Science & Environment section of the BBC News web site.
Updated: 19 min 10 sec ago
The Philae lander has detected organic molecules on the surface of its comet, scientists have confirmed.
The European Space Agency and Airbus sign a contract that will see the aerospace giant build the "back end" of America's new manned spaceship.
A cull of 6,000 ducks is due to start following a confirmed case of bird flu at a breeding farm in East Yorkshire.
A strangely accurate book of anatomy from 1543
What are the next steps in comet landing mission?
The public are being asked to provide information on the locations of nine fugitives suspected of serious environmental crimes.
Officials confirm a case of bird flu at a duck breeding farm in East Yorkshire, but say the risk to public health is very low.
High-resolution pictures have now been released of the Philae probe around the time of landing on Comet 67P last Wednesday.
Can nuclear fusion become a reality within 10 years?
A small study by Dutch scientists suggests a single 10-second kiss can transfer as many as 80 million bacteria.
Images of the Philae probe moments after its initial touchdown on Comet 67P are published by the European Space Agency.
Dr Chris Lintott's take on ups and downs of comet landing
The Philae comet lander finally loses power and drops into standby mode, but is able to send back a crucial batch of scientific data just in time.
One of the scientists involved in the Philae lander mission apologises for any offence caused over a shirt he wore earlier in the week.
The Philae lander has attempted to drill into the surface of Comet 67P, amid fears that its battery may die in hours.
Sir Chris Llewellyn Smith and Dr Jean-Claude Worms debate the reasons behind the success of scientific work in Europe.
Scientists working on Philae comet lander say it is time to take more risks with the probe, amid fears its battery might die within hours.
Campaigners hope beavers living on an English river could be allowed to remain in the wild if free of disease.
An increasing number of dogs are being transported to the UK from eastern Europe, risking an outbreak of rabies, a charity is warning.
The second man to walk on the Moon, Buzz Aldrin, talks to BBC Newsnight about the importance of the Rosetta comet landing and where space exploration should go next.