Ancient aliens, corporate structure, space catapults
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Isaac Arthur on MSNOpinion
We might discover alien ruins before we meet aliens
If alien civilizations rise and fall, they may leave behind artifacts long after they are gone. From abandoned megastructures ...
Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.
If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...
YouTube on MSN
Secrets of ancient aliens revealed
In this video, we explore the intriguing topic of aliens and ancient civilizations, delving into theories and discussions ...
Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, humankind still hasn’t spotted any signs of extraterrestrial life, let alone intelligence — ...
Earth may already be broadcasting its presence to alien civilizations without realizing it. A new study shows that our deep-space transmissions, especially those aimed at Mars and interplanetary ...
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