Sony Pictures' Amy Pascal steps down as co-chair of Sony's movie studio following a debilitating cyber attack last year revealed her private emails.

The European Central Bank (ECB) toughens its stance with Greece by restricting financing to the country's banks.

US Secretary of State John Kerry will hold talks in Ukraine, as Washington mulls whether to send weapons to help Kiev fight pro-Russian rebels.

The man accused of operating Silk Road, a deep web marketplace where illegal drugs were sold, has been found guilty by a jury in New York.

The New Horizons probe returns new pictures of the dwarf planet Pluto and its largest moon, Charon.

A bomb has exploded outside a college in the Pakistan city of Peshawar, the third such incident in recent days, weeks after a school massacre.

A six-year-old girl has been "eaten" by piranhas and found dead with severe leg injuries in northern Brazil after falling into a river from a canoe.

In a memo to staff, leaked to the Verge, Twitter boss Dick Costolo takes personal responsibility for dealing with trolling.