In a first-of-its-kind experiment, scientists have recreated "cosmic fireballs" here on Earth in a particle accelerator.The ...

Astronomers observed GRB 221009A—a gamma-ray burst 2.4 billion light-years away—which nonetheless disturbed Earth’s upper ...

Is there anything more dramatic than an exploding star? More than just extraordinarily bright, energetic events that can ...

Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

Bizarre Natural Events That Shouldn't Exist: <a href=" ► 25 Bizarre Creatures You Never Knew Roamed The Earth: <a href=" ...

Known as earthquake lights, these luminous phenomena have left geologists and physicists searching for answers. Typically ...

Interstellar visitor 3I/ATLAS is passing Earth. Scientists have studied using nuclear explosions to deflect comets. The goal ...

Using NASA's Fermi gamma-ray space telescope, astronomers from Shanghai Normal University in China and elsewhere have ...

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...

You might think astronomers have seen it all, but the universe still throws us occasional new mysteries to keep us on our ...

The glowing red band represents high concentrations of gamma rays across the center of the Milky Way. NASA / DOE / Fermi LAT Collaboration Dark matter—an unseen substance thought to make up 27 percent ...