Searching for alien signals sounds like a question of which star to aim a telescope at. It’s also a question of when to listen, because a civilization sending a focused radio beam toward Earth might ...
What If on MSN
48 hours after alien contact
It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an ...
The Daily Galaxy on MSN
What if aliens are already sending signals, but Earth is listening at the wrong time?
Scientists searching for extraterrestrial intelligence are testing a new possibility: alien civilizations might transmit ...
With next-generation telescopes, tiny space probes, and more, scientists aim to search for life beyond our solar system—and ...
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