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

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

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

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

Recently, researchers at the High-Altitude Water Cherenkov observatory in Mexico reported the observation of ultra-high ...

This is the closest pair detected in the local universe using multiwavelength (visible and X-ray light) observations.

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

The first results from JAXA's XRISM X-ray telescope are out, and they reveal new features of the superheated gas around a ...

An international team has cataloged over 500 gamma-ray bursts (GRBs), rivaling the historical deep-sky catalog by Charles ...

In a groundbreaking discovery, astronomers have identified two pairs of supermassive black holes on the brink of merging, an event never observed before in the cosmos. NASA’s Chandra X-ray Observatory ...

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 ...

It’s the start of the new Absolute line of reimagined DC heroes. It brings writer Scott Snyder back to the character that ...