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I have always been intrigued by the idea that
that we are not alone.

The best evidence yet comes from the Kepler Satellite.
Out of the 150,000 stars it observed in its search for
planets outside our solar system, one stood out as extraordinary.

Perhaps it is home to an alien mega structure.

Attempts to explain the discovery by more conventional means have failed.
Astronomers are still unsure what to conclude.

For more information, read here:

New Scientist

Scientific American