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 …

Oct 29, 2024 · The universe is everything. It includes all of space, and all the matter and energy that space contains. It even includes time itself and, of course, it includes you.

Feb 12, 2026 · Universe, the whole cosmic system of matter and energy of which Earth is a part.

Aug 31, 2025 · The universe is not just where we live—it is what we are. To understand the universe is to understand ourselves. To gaze into the night sky is to look into a mirror that reflects our deepest …

Feb 9, 2026 · For centuries, humanity’s view of the universe was simple: The stars are fixed in place for eternity, twinkling gently in the night sky. That simple, static view fell apart in the late 1920s, when …

ViewSpace gives you the opportunity to explore our planet, solar system, galaxy, and universe. Provided free with the support of NASA, ViewSpace is developed by a team of scientists, educators, and …

6 days ago · We are learning how the universe truly puts itself together, one subtle thread at a time.

4 days ago · Columnist and Space Can we ever know the shape of the universe? The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven …

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

These are some of the questions addressed by cosmology, the study of the universe as a whole. Smithsonian astronomers and astrophysicists use observational and theoretical techniques to help …