The polarization pattern around M87* — the first black hole to be directly imaged by the Event Horizon Telescope — has changed direction, and scientists aren't sure why.

Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

Meteorological fall started on September 1. So far, it has been hot and dry to start out fall and September. Next week we ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

Astronomers at Penn State have nicknamed the objects “universe breakers,” which may be unusual black hole atmospheres and could represent a missing link in the fast growth of supermassive black holes.

A strange “Einstein Cross” with an extra, impossible fifth image has revealed the hidden presence of a massive dark matter ...

Every 378 days, Saturn swings into opposition, bringing it closer, brighter, and nearly 10 times easier to observe than at ...

A new paper published in Physical Review D in September, by Frieman and Anowar Shajib, a NASA Hubble Fellowship Program Einstein Fellow in Astronomy and Astrophysics, combines current data from a ...

The brightest, best date for spotting Saturn is fast approaching. Here's how to see the ringed planet from Indiana.

Students can now reach for the stars, literally, through the new astronomy major at the University of North Carolina at ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.