The anti-universe also must be running back in time for the idea to work. If this were all true, both universes would expand ...

In this model, the anti-universe stretches backward in time from the Big Bang, mirroring the properties of our Universe with ...

Anti-matter is the opposite of matter, and barely exists in our universe at all. Matter and anti-matter annihilate each other on contact, creating energy. Sign up for Today's Best Articles in your ...

An “anti-universe” where time runs backwards could exist next to ours, according to a new study. The theory involves the fact nature has fundamental symmetries and researchers think this could ...

According to Kumar, his universe–anti-universe model has implications beyond just the birth of our universe—as it may shine fresh light on several long-standing cosmological puzzles.

If an anti-universe exists, it would run backward in time, before the Big Bang. Dark matter, then, could be right-handed neutrinos implied by the mirror universe.

The anti-universe would be off-limits to anyone who doesn't like their matter being instantly annihilated, even if we could access it. But assuming this were all true, ...

The anti-universe is a captivating concept that extends the understanding of symmetry, anti-matter, and the fundamental nature of the cosmos. While the idea remains largely theoretical, ...

"We need a partner anti-universe whose time flow is oppositely related to our universe." The Upside Down. The current model scientists use to explain the universe around us is made up of three ...

(via Sabine Hossenfelder) Dark Energy is the name that astrophysicists have given to what ever accelerates the expansion of our universe.In a recent paper, a physicist has now claimed that it's ...