New measurements by Nasa's Cassini probe suggest Saturn's moon Enceladus hides a mass of liquid water as big as Lake Superior under its icy surface.

Barcelona president Josep Maria Bartomeu says the transfer ban handed to the Spanish club by Fifa is an "injustice".

The chief executive of Mozilla, who had been heavily criticised for supporting a ban on same-sex marriage, has stepped down.

The Queen meets Pope Francis for the first time, during a one-day visit to Rome in which she also met the Italian President, Giorgio Napolitano.

News International's head of security tells the phone-hacking trial that he is loyal to his employer but "would not commit a crime for anyone".

Israel has cancelled the release of a group of Palestinian prisoners because of the Palestinian drive for further recognition at the United Nations, a spokeswoman says.

Captain Alastair Cook faces a huge task in resurrecting "stale" England, says former South Africa captain Graeme Smith.

The US Army says there is a "strong possibility" a gunman who killed three people at a base in Texas was involved in a row before the shooting.