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alien life

The big question: Did they leave artefacts behind for us to find?
Winston Churchill had something to offer besides "blood, toil, tears and sweat": A willingness to consider the existence
The discovery of the 3.7 billion-year-old fossil pushes back earliest life on Earth by 220 million years, raising chances that Mars once had life, when both planets were similar.
No one has found E.T. yet, but we may be getting closer.
Australian scientists say they've figured out why we've been unable to detect signs of alien life. And for those who dream