Online encyclopaedia Wikipedia marks its 15th birthday with a list of the most edited pages on the site, with the page for former US president George W Bush having attracted the most attention with 45,862 edits since its creation.

Former President George HW Bush takes some unexpected swipes at Dick Cheney and Donald Rumsfeld, key members of his son's administration, over their reaction to the September 11 attacks, in a new biography of the 41st president, Fox News reports.

Former US President Jimmy Carter says recent liver surgery revealed that he has cancer and it has spread to other parts of his body.

In another fifteen months, the world's eyes will be riveted on the United States to see who the next US President will be.

Hillary and Bill Clinton have earned at least $30 million since January 2014, including more than $25 million for delivering about 100 speeches, according to a government filing.