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23 April 2014 Last updated at 12:28

Asteroid impact risks 'underplayed'Meteor over Chelyabinsk, Russia 15 Feb

A visualisation showing where sizeable asteroids have hit the Earth in recent years has been released by the B612 Foundation.


Antarctic minke whaleMystery of 'ocean quacks' solved

The mystery of a bizarre quacking sound often heard in the Southern Ocean has finally been solved, scientists report.

Graphene - artist's impressionGraphene 'made with kitchen blender'

Scientists have outlined how they managed to make the wonder material graphene using a kitchen blender.

Special Reports

The ascent vehicle blasts off from MarsHow to put a human on Mars

UK team's concept for putting the first people on the Red Planet

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Jonathan Amos, Science correspondent Article written by Jonathan Amos Jonathan Amos Science correspondent

Asteroid impact risks 'underplayed' localisation->translate("watch"); ?>

A visualisation showing where sizeable asteroids have hit the Earth in recent years has been released by the B612 Foundation.

Watch Jonathan's report

David Shukman Article written by David Shukman David Shukman Science editor

Birth of 'new Saturn moon' witnessed

Scientists say they have discovered what could be the birth of a new moon in the rings of Saturn.

Read full article

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