Researchers suggest the potential for a complicated alien civilization current on Earth earlier than people, difficult the notion that humanity is the planet’s first civilization.
The Silurian Speculation means that proof of historic superior civilizations could also be buried beneath geological layers, making detection troublesome with present strategies.
Important fossil carbon from the Carboniferous Interval signifies that circumstances may have supported an industrial civilization thousands and thousands of years in the past.
The Paleocene–Eocene Thermal Most, a interval of speedy world temperature rise, might present clues about previous superior civilizations by geological proof.
Historic superior human civilizations, such because the Indus Valley, Historical Egypt, and the Maya, exhibit unexplained technological achievements that elevate questions on potential extraterrestrial affect.
The Anunnaki, historic Mesopotamian deities, are linked to theories suggesting they have been aliens that influenced early human civilizations.
The Antikythera Mechanism, an historic analog pc found in a shipwreck, stays a thriller, highlighting the complexity of technological artifacts from antiquity.
