A police helicopter moved in to warn the group who had unwittingly ended up surrounded by great whites.
A new proposal has been put forward to send a spacecraft to look for signs of alien life on Europa.
For a new experiment, Harvard researchers are planning to spray aerosols in to the Earth's stratosphere.
Military expert Dan Mackay found 14,000 Word War II dog tags buried in a field just outside London.
A space station could be placed in cis-lunar orbit to act as a stepping-stone towards a trip to Mars.
The world-famous physicist has suggested that a 'world government' could stop technology wiping us out.
Scientists have put forward a plan to terraform Mars by surrounding the planet with a magnetic field.
Biologists have warned that up to a half of all species could be wiped out by the end of the century.
Bizarre footage posted online recently shows a mysterious assailant crawling towards some youths.
Britain's wartime Prime Minister wrote many articles long before ever stepping foot in Downing Street.
An old type of aircraft commonly used during Word War II has been sighted numerous times over Derbyshire.
Scientists have warned that global sea levels could continue to rise over the coming decades.
Researchers in Japan have warned that it is now much easier for thieves to acquire your fingerprints.
Researchers in Brazil have warned that some vampire bat populations have started targeting humans.
Scientists have discovered an entirely new species of primate in a remote Chinese rainforest.
A new patent for a flying fulfillment center could soon see Amazon parcels being delivered from above.
A newly discovered species of seagull-like bird lived at a time when the Arctic was as warm as Florida.
Conservationists have warned that the world's fastest land animal is on the verge of being wiped out.
The Temple of the Jedi Order has failed in its latest bid to be recognized as a religious organization.
Two new studies have revealed that the dwarf planet Ceres is home to significant quantities of water ice.