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

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

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

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

The idea that the universe is expanding was first proposed by Edwin Hubble in the late 1920s and has been repeatedly backed ...

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.

A UK study challenges the Big Bang theory, proposing that the universe exists inside a black hole. The new model suggests a gravitational collapse created the universe.

If you think about the Big Bang as an explosion, this tiny interval is when the explosion in volume occurred. Protons and neutrons began to form after about a microsecond (10⁻⁶ seconds).

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

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.