The hunt for aliens is on! After a distinguished career in cosmology Professor Marti..
The hunt for aliens is on! After a distinguished career in cosmology Professor Martin Rees, the astronomer royal, has taken up the search for extra-terrestrials. Looking for aliens is no longer science fiction - it is a question that's engaging some of the greatest minds in science.
As our knowledge of the universe has increased, we're getting closer to answers. Many scientists...
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