Cosmic rays coming from outside the Solar System bring these particles closer to the Sun, where they experience changes ...

A new study has proposed that the detection of antihelium in cosmic rays could be evidence of a new category of particles known as WIMPs.

How is matter different from mass? These and other questions about the deepest levels of physics, answered inside.

Dark Energy 'Doesn't Exist' So Can't Be Pushing 'Lumpy' Universe Apart Dec. 20, 2024 — One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers ...

"It marks an exciting step forward in our understanding of dark matter and the dynamics of the Milky Way." A perplexing "break" in a stream of stars around the Milky Way could be the result of ...

Join six leading experts to find out everything we know about the subatomic universe. Take a deep dive into the building ...

Scientists are working on an ambitious dark matter experiment in space in the hope it can unravel one of the universe's greatest mysteries.

That’s how much of what’s floating about in the cosmos is ordinary matter—planets and stars and galaxies and the dust and gas between them. The other 95% is dark matter and dark energy ...

Cold non-baryonic dark matter appears to make up 85% of the matter and 25% of the energy in our universe. However, we don’t yet know what it is. As the opening of many research proposals state, “The ...

In the Big Bang, matter and antimatter should have been created in equal amounts. But fast forward 13.8 billion years to the present day, and the universe is made almost entirely of matter ...