News

In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...
Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it ...
Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model that eschews the need for dark energy.
Scientists are using cosmic distortions in light to test a bold idea: that the Universe might not be as symmetrical as we’ve ...
What if the universe isn’t just expanding—but spinning too ... it couldn’t change the way the cosmos expands. “Much to our surprise, we found that our model with rotation resolves the ...
We know the universe is and always was expanding, but we’ve never really known just how fast it’s happening. That is, until now. Researchers have used gravitational lensing to and watched a star die 5 ...
Researchers say they discovered observational evidence of string theory, which could turn everything we know about the universe on its head.
The "afterglow" of the universe is an important piece of evidence for the Big Bang. This background radiation also provides ...
Our ability to look out and measure the stars ... found the first observational evidence for universe expansion. Hubble’s work confirmed these findings in 1929. These early observations relied ...