Chicago: A heavy bombardment by asteroids the size of Ireland was not enough to wipe out life on Earth 3.9 billion years ago, researchers said in a finding that turns back the clock of life by 500 million years.

On Monday, the trusty Polar Satellite Launch Vehicle carried into orbit what is widely perceived as an Israeli-built radar satellite intended for India

Hatfield, England

Scientists say they

T E Narasimhan / Sriharikota April 21, 2009, 0:25 IST

The Indian Space Research Organisation (Isro) says it plans to send two humans into orbit in the next seven years.

T E Narasimhan / Sriharikota April 21, 2009, 0:47 IST

The Indian Space Research Organisation (Isro) today successfully launched its 14th rocket Polar Satellite Launch Vehicle (PSLV), an earth observation surveillance satellite, and the micro education satellite ANUSAT.

Puttingan apparent end to all the theories on the origin of solar system, astronomers have claimed that it actually emerged from a

BRYN BAILER
TUCSON,ARIZONA

ASTRONAUTS

food The secret of cheese For the past 800 years, farmers in Gouda, Netherlands, were making a yellow creamy cheese, from cow

Stereo journey the mission During their journey, the space- craft will use a wide-field-of-view telescope to look for asteroids orbit- ing the region.