For two decades, scientists believed the cosmological constant, known as λ (lambda), was positive. That meant the Universe ...

What if gravity repelled instead of attracted? This video explores how repulsive gravity could have shaped the history of the ...

The Universe still holds many mysteries, and among the most intriguing are these invisible components known as dark matter ...

Our universe would look so different, Kyle. You might not recognize it even if you could be here to see it. Unfortunately, there probably wouldn’t be a whole lot to see. I learned about this from ...

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

If we were living in a computer simulation, would we be able to tell we were living in a computer simulation? It's a question that's difficult to answer, but physicist Melvin Vopson of the University ...

What if the universe remembers? A bold new framework proposes that spacetime acts as a quantum memory. For over a hundred ...

For decades, physicists have faced one of science’s greatest puzzles: merging quantum mechanics, which describes tiny particles, with general relativity, which explains the universe’s vast structures.

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy ...

File this one under "fun to think about, probably not changing your day job": a new study just dropped that suggests gravity itself might be the smoking gun that our entire universe is one big ...

Are we living in “The Matrix” in real life? In the 1999 science-fiction film, Neo discovers that the universe is a simulation — but one scientist believes that the idea isn’t all fiction. Dr. Melvin ...

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...