Astrophysics - Wikipedia
Theorists in astrophysics endeavor to create theoretical models and figure out the observational consequences of those models. This helps allow observers to look for data that can refute a model or …
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 …
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...
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 …
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 …
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 …
Theoretical Astrophysics - Harvard–Smithsonian Center for Astrophysics
Understanding the cosmos involves both observation and theory. Observation provides real-world data about how stars, galaxies, and other objects in space behave. Theory connects that data together …
Astrophysics | Physics
Most broadly, astrophysics is the physics of everything beyond the Earth. Its purview ranges from cosmology, the study of the origin and evolution of the Universe, to space physics, the study of …
Astronomy and astrophysics - Latest research and news | Nature
Nov 25, 2025 · Light reflected from satellites pollutes the images taken by telescopes orbiting Earth, as well as those on the ground. Without mitigations, this will only get worse. A survey of people at risk of...
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 …