When a massive star explodes as a supernova, it does more than release an extraordinary amount of energy. Supernovae ...

Astronomers have spotted an absolutely colossal cosmic chimney that stretches as far as 140 Milky Ways lined up side by side.

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

Pomerantz Chair of Physics and Astronomy at UD. “I think you could call it a scientific research boutique — small and very successful, particularly in the cosmic ray area, and world-renowned.” The ...

A NASA satellite designed to search for the universe's most powerful and violent explosions has successfully scouted its ...

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

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

The International Energy Agency predicts that solar power will outpace all other forms of energy by 2040, but solar energy’s ...

Hundreds of gamma-ray bursts (GRBs) have been recorded as part of an enormous global effort so extensive it 'rivals the catalog of deep-sky objects created by Messier 250 years ago', astronomers say.

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 ...

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

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