25 November 2015
Ten years after being formally approved, Europe's ExoMars project is at last ready to send some hardware - a satellite - to the Red Planet.
Solar Impulse, the fuel-free aeroplane, heads out of Myanmar and on to China on leg five of its attempt to fly around the world.
US astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko arrive for a 12-month tour of duty on the International Space Station.
A light bulb made with graphene - said by its UK developers to be the first commercially viable consumer product using the super-strong carbon - is to go on sale later this year.
What are the justifications for the £4bn Large Hadron Collider?
What does where you live say about you?
What drives people to murder-suicide?
Stephen Fry asks if we should save daylight saving
China's endangered Ili Pika goes viral
The facts and myths of serial murderers, from a former police chief
Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.