
Universe - Wikipedia
It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to …
Universe - NASA Science
Jan 29, 2026 · Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more. Concentrations of matter with gravity so powerful not even light can escape. Collections …
Universe | Definition & Facts | Britannica
Feb 12, 2026 · Universe, the whole cosmic system of matter and energy of which Earth is a part.
UNIVERSE MAP
Universe Map is your definitive guide to galaxies, stars, and cosmic structures — mapped, analyzed, and optimized for discovery and research.
What is the Universe? Humanity’s Grandest Mystery
Aug 31, 2025 · It tells us that the universe began nearly 13.8 billion years ago in a cataclysmic event known as the Big Bang. From a state of unimaginable density and heat, space itself expanded, …
Universe Today - Space and Astronomy News
1 day ago · While we can’t see it directly, we can most famously observe its effects on the universe - primarily how it is causing the expansion of the universe to speed up.
How Fast Is the Universe Expanding? | NIST
Feb 9, 2026 · Scientists reasoned that the cosmos must have started with a powerful expansion that flung matter violently outward in all directions. Scientists have since determined that this “Big Bang” …