With SimBIG, researchers can now probe the universe’s structure with greater confidence and detail. Cosmological parameters tell us how the universe works and what it’s made of.

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s not how it works. Hint: space-time is involved.

We know a lot more about how the universe works thanks to the Apollo missions. All for a measly 12 and a half days on the surface. Imagine what we could learn if we stayed there.

With the universe constantly expanding, scientists have a hard time finding where its center is.

The end of the universe is tied to dark energy, astronomers claim, and one day the universe could implode on itself.

The Universe’s Darkest Mysteries Are Coming Into Focus As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark energy and cosmic ...

Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational waves.

The Big Bang theory has been the standard explanation of the universe's origin for decades. But one group now claims everything we think about the birth of the cosmos might be wrong.

Astronomers have detected the most massive black hole merger ever observed, challenging stellar evolution and black hole formation theories.