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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 fundamental theories …

  2. NASA Astrophysics - Science@NASA

    Nov 18, 2025 · NASA’s Astrophysics missions explore the full spectrum of the cosmos—from infrared to visible light to X-rays and beyond—revealing the fundamental nature of the universe and our place …

  3. 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 as the birth, life...

  4. Introduction to Astrophysics - Department of Astrophysical Sciences

    Jan 22, 2022 · We explore these properties of the Universe in our Department of Astrophysical Sciences at Princeton. We research these topics using both observational and data-analysis tools, as well as …

  5. Home | Center for Astrophysics | Harvard & Smithsonian

    The Center for Astrophysics is a collaboration between the Smithsonian Astrophysical Observatory and Harvard College Observatory that’s designed to ask big questions about the universe, build the tools …

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

    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 Encyclopaedia Britannica …

  7. 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 investigates how …

  8. Astrophysics - Scientific American

    Jan 23, 2026 · Astrophysics coverage from Scientific American, featuring news and articles about advances in the field.

  9. What is Astrophysics? Unlocking the Secrets of the Universe

    Aug 30, 2025 · Astrophysics is the science of the cosmos, the study of stars, galaxies, black holes, and the very origin of the universe itself. It is the language through which humanity speaks to the …

  10. 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 and theories of …