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Comet impact may have prompted life on Earth

Last Updated: Sunday, June 09, 2013, 22:35

The impact of comets crashing into Earth`s surface may have provided the energy to create molecules that formed the building blocks of life, scientists say.

World`s oldest meteor impact crater discovered

Last Updated: Friday, June 29, 2012, 13:01

Scientists have discovered a giant crater in Greenland, which they believe might be the result of a massive asteroid or comet impact 3 billion year ago, i.e. the oldest known impact crater on Earth.

Comet-impact may not have killed mammoths: Experts

Last Updated: Monday, September 06, 2010, 16:06

A new theory suggests that a space impact may not have led to the extinction of mammoths from earth.