In this new Apple TV+ techno-thriller, a portal to parallel realities allows people to visit new worlds and revisit their own past decisions. By Chris Vognar See more of our coverage in your search ...

Dark matter can’t be seen, so simulations like this one show what dark matter might look like if it were visible. The universe is packed with riddles, but few are as stubborn or as fascinating as dark ...

Physicists have unveiled a new way to simulate a mysterious form of dark matter that can collide with itself but not with normal matter. This self-interacting dark matter may trigger a dramatic ...

At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars. NASA’s ...

Readers of this paper will probably need no reminder that most of the universe is missing. The atoms and light you see—from people to planets, stars and galaxies—make up just 5% of the universe. The ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For about 50 years ...

A group of particle physicists is likely to recommend that the U.S. government fund dark matter research at a higher level than it is doing now. Research on dark matter has fascinating implications ...

Dark matter is a mysterious substance that glues galaxies together. This map from the James Webb Space Telescope could help scientists finally figure out what it is. Using data from the James Webb ...