The Alhambra is the greatest example of Islamic military architecture in Europe. Sultan Muhammad I constructed this ingenious, impregnable fortress in 1238 amid treacherous political betrayals. Fiery ...
Seven different stars in our galaxy may show signs of being contained within Dyson spheres, megastructures that could be constructed by advanced civilizations to harness radiation energy from stars, ...
A full series of History Hit YouTube exclusive videos on the most fascinating megastructures of the Second World War. Join presenters Dan Snow and James Rogers as they travel across Europe to discover ...
Researchers have identified at least seven stars in our galaxy that may be surrounded by super-advanced alien megastructures, known as Dyson spheres. However, this is not the only explanation for ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. What would be the ...
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