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Search results for: alien artifacts

Can alien civilizations detect humanity?

Jan 9, 2024

After all of this time searching for aliens, are we stuck with the zoo hypothesis?

Jan 3, 2024

Biotechnospheres as part of planetary intelligence and the search for extraterrestrial civilizations

Sep 27, 2023
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If astronomers see these chemicals in a planet's atmosphere, there's likely an advanced civilization there

Sep 18, 2023

First contact with aliens could end in colonization and genocide if we don't learn from history

Jul 20, 2023

Why people tend to believe UFOs are extraterrestrial

Jul 17, 2023

Earth's cathedrals: Europe's mountains are cultural heritage, not just natural heritage

Nov 14, 2022

Citizen scientists enhance new Europa images from NASA's Juno

Oct 7, 2022

An interstellar meteor struck Earth in 2014, and now scientists want to search for it at the bottom of the ocean

Aug 4, 2022

What the Voyager space probes can teach humanity about immortality and legacy

May 26, 2022
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