Was the former Labour leader a paid-up Soviet spy? It's time the security services told us once and for all.
Clare Hollingworth was one of the most accomplished foreign correspondents of the 20th century. Here's another of her big scoops.
Hundreds, if not thousands, of gay people had their careers and lives blighted by official discrimination.
New papers shed light on the aftermath of the dramatic flight of two of the notorious 'Cambridge Spies'.
Ivan Maisky was Russia's ambassador to the Court of St James from 1932 to 1943. By charming his way into Britain's inner circles he arguably passed on more secrets than the infamous Cambridge Five.