dark matter

Astronomers Get First Glimpse of Cosmic Web

Astronomers have for the first time captured a glimpse of the vast, web-like network of diffuse gas that links all of the galaxies in the cosmos. Leading cosmological theories suggest that galaxies are cocooned within gigantic, wispy filaments of gas. ...

Smallest Galaxy Ever Discovered Bolsters Dark Matter Theory

  This week, astronomers announced that they have managed to weigh a minuscule galaxy that breaks the record for the smallest ever detected and may help shed light on mysterious dark matter. With only 1000 stars huddled together, this galactic featherweight ...