"Stars like the sun don’t just stop shining for no reason." ...

What was that? More information about a mysterious, energetic burst, formally known as a gamma-ray burst (GRB), spotted in ...

The interstellar comet 3I/ATLAS has turned into a natural physics lab, and the Hubble Space Telescope is sitting in the front ...

This cloud is a window into the dark Universe,” study co-author and Space Telescope Science Institute (STCScl) team member Andrew Fox said in a statement. “We know from theory that most of the mass in ...

The James Webb Space Telescope may have helped solve a mystery it uncovered in 2022 – mysterious 'little red dots.' ...

Scientists recently discovered a mysterious object in outer space that, for a time, was sending out regular bursts of energy in a way that researchers hadn't previously observed. According to an ...

A strange X-ray beacon from deep space has revived a decades-old mystery and opened a window onto one of the universe’s most violent possibilities. Astronomers now suspect that this flicker in the ...

"If they were purely made up of stars, they would be the densest galaxies in the universe." ...

A strange gamma-ray glow emanating from the heart of the Milky Way could be the long-sought fingerprint of dark matter particles annihilating each other, evidence suggests. A new research effort ...