Astronomers discovered dozens of stellar streams in the Milky Way using Gaia data, offering new clues about galaxy formation and dark matter.

Astronomers have identified dozens of previously hiddenstar streams in the outskirts of the Milky Way. These long, faint ribbons of stars, remnants of ancient galaxies and star clusters, could unlock ...

In a night sky with more space than stars, globular clusters are bright exceptions. These are balls of stars, apparently bound together by gravity, which remain poorly understood. When these clusters ...

Fast solar winds originating from the sun can have direct impacts on Earth—disrupting systems like GPS, aviation, electrical ...