
Universe - Wikipedia
The physical universe has been defined as "The totality of all space and time; all that is, has been, and will be." [15] The universe contains all energy and matter, [16] including therefore planets, moons, …
Universe - NASA Science
Jun 11, 2026 · Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more.
Universe Map – Universe Map – Explore the Cosmos
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 · 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 …
Scale of the Universe
Scale of Universe is an interactive experience to inspire people to learn about the vast ranges of the visible and invisible world.
ViewSpace
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 …
How astronomers are unveiling the 'skeleton' of the universe
Feb 16, 2026 · The universe is a vast, unseen loom, weaving galaxies into an intricate cosmic web through invisible threads of matter. This cosmic web is the fundamental scaffolding of everything we …
Chronology of the universe - Wikipedia
The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. In this model, the history of the universe begins 13.787 billion years ago, when the …
What is the Universe? - Science@NASA
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.
NASA Explorer - Discover the Universe
Explore the Universe Discover NASA missions, exoplanets, and satellites with interactive 3D visualizations and real-time data.