Microscopic creature stabilizes vulnerable islands

While sea level rises caused by global warming threaten islands, a tiny marine creature appears to be riding to the rescue, spreading rapidly through the oceans and stabilizing coastlines.

Yes, we may all be living in the Matrix, say physicists

German scientists say they've found a way to tell whether or not our universe is a giant computer simulation - and that there's evidence to suggest that it is.

Mystery of monster stars explained

Since the 2010 discovery of four stars 300 times as massive as our sun, astronomers have been scratching their heads over how they could have come to exist.

Atom split with quantum mechanics, then put together again

Forget clumsy nuclear fission: researchers have now split an atom into two halves, pulled them apart and put them back together again.

More doubt cast on dark matter theories

The theory of dark matter has taken another knock, with the discovery of a vast structure of satellite galaxies and clusters of stars surrounding our galaxy, stretching out across a million light years.