Astronomers studying the Milky Way's oldest stars have estimated that the Universe is about 13.6 billion years old.

Astronomers produced the most complete map of the center of the Milky Way, which can provide insight into how stars and ...

The discovery of the universe’s oldest stars, identified within our own Milky Way galaxy, marks a significant leap forward in our understanding of cosmic history. These ancient stars, formed shortly ...

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 captured this stunning image of the Milky Way’s center, revealing a web of gas, dust and stars in extraordinary ...

WASHINGTON (Reuters) -Astronomers have observed a galaxy dating to an earlier epoch in the universe's history that surprisingly is shaped much like our Milky Way - a spiral structure with a straight ...

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

Astronomers used RR Lyrae stars to trace the early Milky Way, revealing a rapid formation of its halo and disk, with chemical ...

Most of the universe is slipping away from the Milky Way, carried outward as space itself expands. Yet one giant neighbor is bucking the trend, racing straight at us while almost every other major ...

A new photo taken by the world's most powerful telescope shows a 6-quadrillion-kilometre span of our galaxy.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...