For decades, astronomers have used distant supernovae as cosmic lighthouses to test fundamental physics and to measure the ...

How does the universe work? What are black holes, neutron stars, and dark energy? This video attempts to explain astrophysics in one go, covering the birth of the universe, the life cycle of stars, ...

Physics is the study of the underlying laws and mechanisms explaining how the universe works. Most of what we do in daily life is based on a principle or law of physics—dealing with forces, motion, ...