Astronomers have discovered that the Seven Sisters of the Pleiades star cluster have more stellar siblings than we thought — a lot more. Using NASA's exoplanet hunting spacecraft TESS (Transiting ...

The Pleiades (M45) is arguably the most famous star cluster in the sky. Known as the Seven Sisters, or Subaru in Japan, its history is woven into human culture, with stories about it potentially ...

A few hours after darkness falls during November, the unquestioned landmark of the autumn night sky occupies a commanding position high in the south: the flying horse Pegasus. The horse's body is ...

New multiscale simulations help crack long-standing mysteries behind the enormous radio arcs generated when galaxy clusters collide. When you purchase through links on our site, we may earn an ...