If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

Given how unfathomably large the universe is, it is perhaps understandable that we haven’t yet cracked all its secrets. But there are actually some pretty basic features, ones we used to think we ...

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies ...

Just how large is the universe? The short answer is 93 billion light-years — at least. That 93 billion light-year number refers to what astronomers call the observable universe, and it extends about ...

A new joint analysis from the NOvA and T2K experiments offers the most precise look yet at neutrino behavior, bringing ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Many textbooks and science educators have attempted to describe the ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

The Big Bang may not have been alone. The appearance of all the particles and radiation in the universe may have been joined by another Big Bang that flooded our universe with dark matter particles.

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...