What If on MSN
Aliens just visited Earth. Here’s what happens next
Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...
What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...
With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...
The following is an extract from our Lost in Space-Time newsletter. Each month, we dive into fascinating ideas from around the universe. You can sign up for Lost in Space-Time here. Modern physics ...
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