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

Imagine trying to reconstruct the history of a city by studying only its oldest surviving buildings. You can't watch it being ...

On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.

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

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

In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, likely collapsing into a black hole without exploding as a supernova ...

The structure of the local universe is surprisingly flat, according to new research, and this cosmic quirk may save our Milky Way from colliding with countless other massive, nearby galaxies — except ...

Astronomers are used to dramatic endings. When a massive star dies, it usually explodes ...

An international collaboration using the Low Frequency Array (LOFAR) has published an exceptionally detailed radio sky map, ...

Scientists have seen something spectacular unfolding in Andromeda, our neighboring spiral galaxy, located some 2.5 million light-years away from Earth. The spectacular part is actually what they ...

It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across ...