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

Hydrogen is the most abundant element in the universe! All hydrogen in the universe appeared in the first few moments of the ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

A new cosmological theory is challenging the traditional Big Bang model by proposing that the universe originated from a ...

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.

An atom consists of a heavy center, called the nucleus, made of particles called protons and neutrons. An atom has lighter particles called electrons that you can think of as orbiting around the ...

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

The first batch of test images from the Vera C. Rubin Observatory is scheduled to be released Monday at 11:30 a.m., followed ...

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

Astronomers have found a remarkably powerful jet shooting out from a black hole that formed just 3 billion years after the ...