Lib Dem MEP Sir Graham Watson is reprimanded by the party for responding to the PM's decision to postpone a speech on Europe with an "offensive" tweet.

David Cameron dismisses calls for UKIP leader Nigel Farage to be allowed to take part in the leaders' debates at the next general election, due in 2015.

Infectious bacteria have for the first time been caught performing "biological alchemy" to transform parts of the body into those more suited to their purposes, by a team in Edinburgh.

Weight loss following infection with intestinal worms is the body's way of fighting off the invaders, University of Manchester researchers have found.

The UK's transport network takes steps to reduce disruption as heavy snow is forecast, with a "rare" red weather warning issued in Wales.

Pictures have emerged of a tunnel that was built by thieves to break into a bank in Berlin earlier this week.

A US Navy minesweeper is stuck on a coral reef off the Philippines, in a Unesco heritage site, after running aground early on Thursday.

Sterling falls below 1.20 against the euro for the first time since early April last year over EU and credit rating worries.