A microscopic metal ball found high above our planet in dust from the stratosphere could be a seed which will grow into an alien, a scientist has claimed. Professor Milton Wainwright of the University ...

Ever since they were discovered in 1873, scientists have been trying to find out the origin of the millions of potato-sized metal balls that carpet the world's oceans. Known as manganese nodules, ...

FIRST a net brought up several strange metal balls from the seabed. Then researchers sent down a submersible. What they saw was astounding. A large swathe of ocean floor between South American and ...

A giant metal ball that mysteriously washed up on a Japanese beach has baffled officials who are trying to identify the object. The giant metal ball, around 1.5 metres in diameter, appeared on a beach ...