An artist's concept of multiple types of subatomic particles. Forget about turtles; for all practical purposes, it’s really particles all the way down. Consider the seemingly simple matter of their ...

Using a global network of telescopes, astronomers have detected the lowest-mass dark object yet found in the universe.

Our universe is dominated by a mysterious matter known as dark matter. Its name comes from the fact that dark matter does not absorb, reflect or emit electromagnetic radiation, making it difficult to ...

How do you distinguish a galaxy from a mere cluster of stars? That's easy, right? A galaxy is a large collection of millions or billions of stars, while a star cluster only has a thousand or so. Well, ...

WASHINGTON, June 16 (Reuters) - The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a grand scale. And there is ordinary matter ...

By listening for ghostly radio echoes from the early Universe, scientists believe future Moon missions could determine what ...

ESA’s orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe. 10 years ago, scientists predicted that about ...

The regular matter that makes us, planets, stars, and galaxies is about 5 percent of the matter-energy content of the universe. The rest is made of dark matter and dark energy, though we are not sure ...

Dark matter is invisible. It's all around us. And we have no idea what it is. The universe is so much bigger than what people can see. Visible matter — which makes up the things you can see like the ...

The true “informational age” of the cosmos may be 62 billion years, not just the 13.8 billion years of our current expansion.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...