What If on MSN
What if aliens actually brought life to Earth?
Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...
New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...
Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.
Steven Spielberg's claims that aliens have already visited Earth have drawn a mixed but pointed scientists' reaction this ...
We've been looking at nature the wrong way, argues Rowan Hooper. If we stop focusing on the individual, we get a whole new picture of how life on Earth – and elsewhere – may have begun ...
Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.
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