Scientists say coldest 'stars' in Milky Way could actually be giant alien technology harvesting energy through millions of solar collectors orbiting red and white dwarfs

• Are Milky Way’s coldest stars actually alien megastructures?
• New study exploresSome of the coldest objects currently listed as stars in the Milky Way may not be stars at all.
• A new study by astrophysicist Amirnezam Amiri from the University of Arkansas suggests that these extremely cold objects could instead be giant energy-harvesting structures built by advanced alien civilisations.