Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it ...

NASA warns that dark energy could freeze the universe into darkness. Learn what the Big Freeze theory predicts for the cosmos ...

Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

"The new model can account for both structure formation and stability, and the key observational properties of the expansion ...

NASA's Nancy Grace Roman Space Telescope team shared Thursday the designs for the three core surveys the mission will conduct ...

Gravity pulls us to earth, a lesson you learn viscerally the first time you fall. Isaac Newton described gravity as a ...

If this scenario plays out, “the world as we know it would collapse like a house of cards,” says one theoretical physicist.

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, ...

Scientists hypothesized that there must be some unknown “dark energy” in the universe that propels the universe ever outward, but as theoretical cosmologist Katie Mack states: “We can’t ...