A bold new theory suggests the universe didn’t begin with a single Big Bang, but instead unfolds through a series of ...

These series of step-like bursts happen so rapidly that they are difficult to observe as these singularities wink in and out ...

Intriguingly, ultralight dark matter might be able to turn into photons (light) — and it's through this process that the ...

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

When cosmologists used different ways to measure the value of sigma 8, a number that denotes how clumpy the universe is, they ...

Using the James Webb Space Telescope, astronomers have peered into galaxies that existed at cosmic noon to hunt ravenously ...

A controversial new theory about how the universe began rejects the widely-held belief that it started with a giant cosmic eruption known as the Big Bang. One scientist suggests that the cosmos ...

In the search to understand how the universe came to be, a new theory is rewriting the script. Instead of one massive, fiery birth like the Big Bang, this idea suggests the cosmos has been growing ...