The burst seems to have been caused by a highly extraordinary event, but scientists don’t yet know exactly what that could be ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

The first fast radio burst, or FRB, was discovered in 2007 in archival data collected back in 2001, and scientists were ...

Gamma-ray bursts (GRBs) are the brightest explosions in the universe. In just a few seconds, they can outshine all the stars in their host galaxy combined, releasing more energy than our sun will emit ...

Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in ...

Could black holes help explain the origins of high-energy cosmic radiation? The universe is filled with many forms of ...

Deep in the core of most galaxies, hidden by spinning clouds of gas and dust, black holes spin like cosmic engines. These ...

The universe is full of different types of radiation and particles that can be observed on Earth, including photons in the ...

NASA has awarded Katalyst Space Technologies a $30 million contract to rescue one of the agency’s satellites, Swift. A ...

A rare and vivid atmospheric event has been captured from orbit, offering scientists new insight into how lightning behaves ...

On the night of July 19, 1952, the 48-inch Oschin telescope at Palomar Observatory in California was taking one of its routine photographs of the night sky. It was part of the First Palomar Sky Survey ...

It's a celestial event that has astronomers both excited and puzzled. Dan Smith has the story of how a gamma-ray burst across ...