Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

The universe is a vast and strange place, filled with astronomical phenomena that challenge everything we think we know about ...

Thousands of solar tornadoes swirl above the sun’s surface at any given moment. These remarkable photos give us a glimpse at these stunning cosmic phenomena.

Space is full of mysteries, and while we’ve come a long way in understanding the cosmos, there are still a number of ...

A new observatory in Chile has produced a stunningly detailed image of a nebula resembling cotton candy, using the largest ...

The James Webb Space Telescope (JWST) recently spotted a rare cosmic phenomenon known as the "Cosmic Owl". This structure is ...

Scientists have traced the source of enigmatic cosmic signals, known as fast X-ray transients (FXTs), to a violent process occurring during the death of massive stars.

New research suggests sub-stellar objects called dark dwarfs could glow forever on dark matter energy. Could they reveal secrets about the universe’s hidden mass?

The widely anticipated first images collected by the Vera C. Rubin Observatory have been released, offering nothing short of ...

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...

Fireballs fall on the Earth every day—but the one that just streaked across the southeastern U.S. this week was unlike the ...

As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark energy and cosmic phenomena that go “bang!” The telescope mount ...