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Last Updated: Saturday October 13 2007 15:18 GMT

Telescopes seeking out alien life

Outer space

A new hunt for aliens is underway after massive telescopes designed to uncover proof they exist were turned on.

The Allen Telescope Array (ATA) will sweep more than one million star systems, searching for radio signals, from its base in California, America.

The project is seeking proof that aliens are out there by tracking down any signals they might be sending out.

Scientists say they are confident that they will be on to any other beings which share our universe by 2025.

The project will eventually boast around 350 telescopes, taking snapshots of huge areas of outer space.

Black holes

Experts hope the project will also help them to learn more about other mysteries of the universe, like supernovas and black holes.

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