Both the Milky Way and the Andromeda galaxies (M31) are part of what's known as the Local Group (LG), which also hosts other ...

A recent paper reveals we're almost certainly going to collide with a galaxy in the next couple billion years, but it's not ...

A new study suggests they may have a ghostly shadow—trailing dark matter spirals hovering above and below them. A team of ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System — a ...

The collision is predicted to be so violent that it would toss the Sun out of its orbit, destroying planets like Earth and ...

"As it stands, proclamations of the impending demise of our Galaxy seem greatly exaggerated." That's the conclusion ...

SpaceX on Wednesday afternoon launched another batch of 27 Starlink satellites to low-Earth orbit from Vandenberg Space Force ...

SpaceX early Tuesday launched a Falcon 9 rocket loaded with a batch of Starlink satellites into space from the East Coast.

More than a decade ago, scientists predicted our Milky Way galaxy and neighboring Andromeda would collide in four billion ...

The tiny pebbles left over from a star's formation fed the growth of one of the strangest, wildest worlds humanity has ever ...

Astronomers say that a collision between the Milky Way and Andromeda may not be a forgone conclusion and “we could avoid this ...