Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025. A kilonova describes the ...

Visitors to the Sunwheel can see the sun rising and setting over the winter solstice stones from approximately Dec. 16 ...

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. Leading scientists from around the world have ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During its July 1, 2025 detection, the interstellar object happened to be moving ...

Although this controversy might be specific to Chile, home to 40 percent of the world’s astronomy infrastructure, the project ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

AMHERST, MA (WGGB/WSHM) - The shortest day of the year is coming up on Sunday with it being the first day of winter. To ...

In an unprecedented discovery, astronomers might have observed the first known“superkilonova” – an explosive cosmic event ...

Compelling evidence that the structure of matter surrounding supermassive black holes has changed over cosmic time has been ...

While NASA's James Webb Telescope and other instruments have already spotted abundant water vapor, carbon monoxide and carbon ...