Today, the Hubble Space Telescope has unveiled a new class of exotic stars: blue lurkers. These enigmatic objects, observed in the open cluster M67, challenge our knowledge of stellar evolution ...

The name "blue lurker" might sound like a villainous character from a superhero movie. But it is a rare class of star that ...

Evolution of a "Blue Lurker" Star in a Triple System Panel 1: A triple star system containing three Sun-like stars. Two are very tightly orbiting. The third star has a much wider orbit.