New multiscale simulations help crack long-standing mysteries behind the enormous radio arcs generated when galaxy clusters ...

New data reveals black hole jets can accelerate at speeds defying all physical laws, leaving astronomers without a clear ...

Scientists may have "seen" dark matter for the first time, thanks to NASA's Fermi gamma-ray space telescope. If so, this ...

Growing up in a small town in Pennsylvania, astronomy and physics Prof. Michael Smutko could see the Milky Way alongside ...

In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

First up, just pointing a rocket at the Sun and blasting as hard as you can would result in a wild miss. The main problem you ...

Welcome to the Department of Physics and Astronomy at the University of Delaware, where the pursuit of scientific discovery and innovation meets cutting-edge research and academic excellence. Our ...

When one thinks of astronomy, it’s easy to imagine equations on a chalkboard, late nights in physics labs or telescopes aimed ...

As a 501 (c) (3) non-profit, AIP is a federation that advances the success of our Member Societies and an institute that ...

The Department's annual fund supports undergraduate research, scholarships, lab upgrades, and public outreach efforts in physics & astronomy. This fund supports the Sac State Planetarium’s educational ...