Alien 'Dyson sphere' megastructures could surround at least 7 stars in our galaxy, new studies suggest
![Alien 'Dyson sphere' megastructures could surround at least 7 stars in our galaxy, new studies suggest](https://cdn.mos.cms.futurecdn.net/NYUBqse2gz2KJficf44pM8.jpg)
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 these stars.