Nowadays, the dark of night is interspersed with the light of stars. But before the stars were born, did light shine at the ...

"The Big Bang is often described as the explosive birth of the universe—a single moment of the emergence of space, time, and ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

The Hubble constant, a set number that connects a galaxy’s speed to its distance from Earth and tells us how fast the ...

Crucially, this bounce occurs entirely within the framework of general relativity, which applies on large scales such as ...

“ENTs are different beasts,” study lead author and astronomer Jason Hinkle explained in an accompanying statement. “Not only are ENTs far brighter than normal tidal disruption events, but they remain ...

For the first time, scientists have used ground-based telescopes to look back more than 13 billion years and observe how the ...

It's difficult to overstate just how surprisingly early to the party this water may have been. “This suggests that water, the ...

The Big Bang Theory explains how the universe began with an infinitely hot and dense single point that inflated to form the ever-expanding cosmos we see today.

For anyone on Earth, ... While the 'Big Bang' is widely accepted as the cosmic event that started our entire universe, scientists warn there might just be a 'Big Crunch' that destroys it all.

The origins of Earth's water stretch back to the universe's early moments. After the Big Bang, hydrogen and helium formed, eventually leading to the creation of heavier elements like oxygen in stars.