* Astronomy

Japan cancels failed $9bn Monju nuclear reactor

Japan is a scrapping an experimental reactor which has worked for just 250 days of its 22-year lifespan and cost $9bn (£7.2bn).
The Monju reactor, in western Japan's Fukui city, was designed to burn most of its own spent fuel, eliminating the need to deal with the nuclear waste.
But it suffered its first problems months after it went live, and has not worked properly since.
Read more