Theories run the gamut from isolated phenomena to aliens.
If aliens exist, modern tech should be able to find them.
If we encountered alien life, how would you react?
We may have even found such evidence already and overlooked it.
The search for aliens is now focused on lasers.
If aliens exist, this is where we’ll likely find them.
Within a few centuries they "will have taken over."
These Earth-sized planets have all the right conditions for life. Now, we just have to look for it.
It's high time to expand the search for extraterrestrial life.
We’ve been searching for extraterrestrial intelligence for decades now—and it’s high time we found something. Yet, to our immense frustration, all searches thus far have come up decidedly empty. So, what gives? We’ve assembled a number of tentative theories for why ET is giving us the cold shoulder.
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