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  1. Astrophysics - Wikipedia

    Some widely accepted and studied theories and models in astrophysics, now included in the Lambda-CDM model, are the Big Bang, cosmic inflation, dark matter, dark energy and …

  2. What is Astrophysics? | Space

    Oct 28, 2022 · Astrophysics is a branch of space science that applies the laws of physics and chemistry to seek to understand the universe and our place in it. The field explores topics such …

  3. What is Astrophysics, and Why It Matters? - Astronomy Explained

    Astrophysics explores the vast universe and tries to solve mysteries with the help of physics, maths, and formulas. Astrophysics covers a wide range, from tiny particles to huge galaxies. It …

  4. Introduction to Astrophysics | Department of Astrophysical ...

    Jan 22, 2022 · These fundamental questions have occupied peoples' thoughts for generations in an attempt to uncover the mysteries of the Universe.

  5. Astrophysics | Astronomy, Cosmic Objects, & Space | Britannica

    Sep 22, 2025 · astrophysics, branch of astronomy concerned primarily with the properties and structure of cosmic objects, including the universe as a whole. See astronomy. The Editors of …

  6. NASA Astrophysics - Science@NASA

    Jun 25, 2025 · NASA’s Astrophysics Division is dedicated to exploring the universe, pushing the boundaries of what is known of the cosmos, and sharing its discoveries with the world.

  7. What is astrophysics? | Space | EarthSky

    Jan 28, 2020 · Astrophysics is the science of physical processes in the cosmos. It uses data gathered by astronomers using telescopes on Earth and in space – combined with the laws …