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 ...

Using Nasa ’s Fermi Gamma-ray Space Telescope, Professor Tomonori Totani from the Department of Astronomy at the University ...

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

What was once the leading explanation for dark matter may have simply been underestimating the mass of the particles that ...

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

Scientists have developed a new platform for the generation and detection of ultrashort UV-C laser pulses on femtosecond ...

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 ...

More than 100 years after its existence was predicted, scientists report that they have, for the first time, seen dark matter ...