A backward, mirror universe could explain the existence of dark matter. If an anti-universe exists, it would run backward in time, before the Big Bang. Dark matter, then, could be right-handed ...

Is time something that flows — or just an illusion? Exploring space-time as either a fixed “block universe” or a dynamic fabric reveals deeper mysteries about existence, change, and the very nature of ...

A newly discovered set of mathematical equations describes how to turn any sequence of random events into a clock, scientists ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

Understanding the vast structure of the universe, from galaxies to superclusters, requires complex models and immense computational resources. However, the development of Effort.jl, an emulator ...

A new emulator is tackling the near-impossible task of mapping the universe's large-scale structure without sacrificing ...

The interactive online map, created using data from NASA's James Webb Space Telescope, details some 800,000 galaxies across a vast cosmic distance. Scrolling and zooming in can take users some 13.5 ...

You can journey to the ends of the earth in search of success,” 19th-century Baptist preacher Russell Conwell is said to have proclaimed, “but if you’re lucky, you will discover happiness in your own ...

If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number ...