Scientists have found nuclear weapons could actually help deflect an incoming cosmic impact — not by blowing an asteroid up, ...

Astronomers have cataloged over 500 gamma-ray bursts, which are some of the most violent explosions in the cosmos.

In a groundbreaking astronomical discovery, scientists have observed two pairs of supermassive black holes on the verge of ...

An artist's illustration of the longest black hole jet system ever observed. Nicknamed Porphyrion after a mythological Greek ...

The largest-ever black hole jets ever seen hint that these cosmic monsters may play an even more significant role in shaping ...

The Bartol “boutique” marks its 100th birthday this week, celebrating with almost 100 physicists who are gathering at UD for ...

Astronomers have spotted an absolutely colossal cosmic chimney that stretches as far as 140 Milky Ways lined up side by side. These jumbo jets are being blasted from a supermassive black hole.

Dark energy is a signal that there’s something fundamentally missing in our theories of the universe. “Each explanation of ...

We now know that black holes occur frequently throughout the universe. One Sagittarius A* sits at the center of our galaxy, ...

XRISM allowed astronomers to track plasma as it circled the supermassive black hole at a distance of around 0.1 light-years ...

Extreme conditions prevail inside stars and planets. The pressure reaches millions of bars, and it can be several million degrees hot. Sophisticated methods make it possible to create such states of ...

The concept was tested using Sandia's Z Machine, the most powerful X-ray source on Earth. By generating a burst of X-rays similar to those from a nuclear explosion, researchers were able to simulate ...