The European Space Agency’s Gaia space telescope spent more than a decade mapping the Milky Way, collecting over 3 trillion ...

CWISE J1249+36, a low-mass runaway star, is traveling at an extraordinary speed that could propel it out of the Milky Way.

Scientists have uncovered evidence that our Sun may have traveled across the Milky Way as part of a massive migration of ...

The Sun has been a powerful source of energy fueling the solar system for billions of years, but our host star may have had rough beginnings. A new study suggests the Sun migrated away from the center ...

A new study suggests the Sun moved outward with many similar stars during a large Milky Way migration event long ago.

For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by its gravity. New simulations reveal the answer: our galaxy sits in a ...

Astronomers from the University of Cape Town (UCT) – working with colleagues from Université Claude Bernard Lyon 1 (France), ...

How is it that galaxies merge and collide but the universe is expanding and everything is moving away from everything else?