Parallel universes, also known as multiverses, are theoretical twin universes that coexist with our own. They are studied by quantum mechanics and have been used in fiction to explain strange phenomena. The debate over where and how they exist continues, with some scientists suggesting they are close to us and others suggesting they are infinitely […]
The universe is too vast to comprehend, with more stars than words spoken in human history, grains of sand on Earth, and seconds Earth has existed. Astronomers estimate a trillion stars exist. The universe’s age is about 13.7 billion years, and its shape is unknown. Cosmic microwave background radiation is an afterglow from the Big […]
