New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

A giant galaxy measuring 3.3 million light-years across has been found by astronomers using the ... [+] South African MeerKAT radio telescope, an array of 64 antennas in the Meerkat National Park ...

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 ...

A new study suggests that the infamous "alien megastructure" star — called KIC 8462852, or Tabby’s star, may have destroyed a planet in the recent past. Turns out, the star's odd behavior ...