While news channels still report the daily stock market moves from the floor of the exchange, the real US trading action is increasingly taking place in "dark pools" managed by computers.

Having an imaginary friend may enhance academic performance.

The US economy is improving at a faster rate than anticipated but the IMF says recovery is likely to be gradual.

A UFO-chasing computer hacker has lost his latest battle to avoid extradition from the UK to the US where he is accused of perpetrating the 'biggest military hack of all time'.

Photographer Annie Leibovitz is being sued for allegedly reneging on an agreement to sell her life's work to repay a US$24m debt.

Compromise will strip about 10 per cent from the cost of proposed health reforms.

Lucy Lawless' latest role in Spartacus: Blood and Sand requires nudity. "Being naked on-screen is no fun," she says.

A family trip to Las Vegas proves it's more than just a gambling mecca.

Living it up in Las Vegas