Some stars explode into a nova quickly; others can take more than a month. Scientists are only beginning to understand why.

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

Baby, it’s cold outside — but it’s worth putting on that heavy winter coat, scarf and boots and heading out for one of the best meteor showers of the year: the Geminids.

The University of Arizona’s Flandrau Science Center and Planetarium turns 50 Saturday, December 13, offering free admission ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

The longest gamma-ray burst ever observed has UNC Chapel Hill astronomers questioning the very nature of these cosmic ...

Allen Telescope Array campaign shows slow changes in radio scintillation that can nudge pulsar timing by billionths of a second ...

Before the ribbon cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by Westfield High School Astronomy Club members Krystyna Goulette and Kaitlyn Goulette — ...

The U.S. National Science Foundation National Radio Astronomy Observatory (NSF NRAO) is pleased to announce the appointment ...

China and Brazil have begun building a joint laboratory for space technologies, Chinese state-owned defence electronics firm ...