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  1. Multiverse - Wikipedia

    The multiverse is the hypothetical set of all universes. [1][a] Together, these universes are presumed to comprise everything that exists: the entirety of space, time, matter, energy, …

  2. What is multiverse theory? - Live Science

    Aug 23, 2021 · Multiverse theory suggests that our universe, with all its hundreds of billions of galaxies and almost countless stars, spanning tens of billions of light-years, may not be the …

  3. Multiverse | Definition, Types, & Facts | Britannica

    Nov 14, 2025 · Multiverse, a hypothetical collection of potentially diverse observable universes, each of which would comprise everything that is experimentally accessible by a connected …

  4. What Is the Multiverse? Does it Really Exist?

    Nov 27, 2025 · The multiverse—a theoretical framework suggesting our universe is one of countless parallel realms—stems from cutting-edge physics, including quantum mechanics' …

  5. What is the multiverse—and is there any evidence it really exists?

    May 4, 2022 · What is a multiverse? The multiverse is a term that scientists use to describe the idea that beyond the observable universe, other universes may exist as well.

  6. What Is a Multiverse? Theories of Multiple Realities

    Aug 21, 2025 · Could our cosmos be but a single bubble in a vast ocean of universes—the multiverse? The idea of the multiverse is not just a scientific speculation; it is a story that …

  7. Multiverse Theory – Definition & Detailed Explanation - Sentinel …

    Nov 15, 2025 · In a multiverse, parallel universes coexist alongside our own, each with its own unique history and future. This stands in contrast to the idea of a single universe, where there …

  8. Exploring the Multiverse: Theories and Evidence

    Apr 22, 2025 · The Multiverse suggests that our reality is just one of many possible universes, fundamentally altering our understanding of existence. This concept implies that the laws of …

  9. Multiverse Theory: Are Parallel Universes Real or Just Sci-Fi?

    Jan 16, 2025 · The multiverse theory says our universe isn’t the only one out there. Instead, it suggests there are lots of parallel universes, each with its own physical laws, constants, and …

  10. Multiverse (meta-universe) | Research Starters - EBSCO

    The multiverse, often referred to as the meta-universe or parallel universes, is a theoretical concept proposing that our observable universe is just one of potentially infinite universes that …