Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 ... 3 million light-years from end-to-end, the cosmic megastructure was spotted by South Africa's MeerKAT ...

A swarm of comets flying by, en masse? An alien megastructure? Then, in 2019, a team of astrophysicists proposed a new, more plausible explanation. That might finally solve the mystery of Tabby's ...

The mystery of the "alien megastructure" star may finally be settled. In 2015, a rumor spread about the star KIC 8462852. It was proposed that the star might harbor an alien race. The rumor ...