Astronomers used the James Webb Space Telescope and gravitational lensing to observe SN Eos, an ordinary supernova from the ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about how these cities of galaxies form.

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos. When you purchase ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big Bang—a cosmic Jekyll and Hyde that looks like any other galaxy when viewed in ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier than astronomers believed such well-structured galaxies could form. With ...

A massive young galaxy cluster has been found glowing with super-hot gas billions of years earlier than expected, defying current theories.

A paper links dark stars to Webb telescope puzzles involving bright sources, dust-free galaxies, and early black holes.

It's one of astronomy's great mysteries: how did black holes get so big, so massive, so quickly. An answer to this cosmic conundrum has now been provided by researchers at Ireland's Maynooth ...

This year's Royal Astronomical Society Fowler Award for early achievement in astronomy has been awarded to University of Warwick's Dr. Ingrid Pelisoli ...