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 …

4 days ago · 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 Map is your definitive guide to galaxies, stars, and cosmic structures — mapped, analyzed, and optimized for discovery and research.

Nov 11, 2025 · Universe, the whole cosmic system of matter and energy of which Earth is a part.

May 3, 2022 · It's quite a big question and a lot is still unknown about the universe, but we'll tell you everything that we do know, from how the universe was created, how old it is and what it's even made...

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, …

Nov 24, 2025 · Will the universe keep existing forever? An astrophysicist explains how scientists aren’t entirely sure, but they can make predictions.

2 days ago · New results strengthen the “Hubble tension,” hinting at the need for rethinking our model of the universe Maunakea, Hawaiʻi – A team of astronomers using a variety of ground and space-based …

The universe is all the matter, energy, and space that exist. We can observe only a part of it - the observable universe. The entire, universe, including the part we cannot see, may be infinite. Matter is …

The Center for Astophysics | Harvard & Smithsonian advances our knowledge and understanding of the universe through research and education in astronomy and astrophysics.