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 ...

Observations of ultra-massive galaxies, each containing more than 100 billion stars, show that less than 2 billion years ...

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

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 ...

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 ...

NASA’s Webb Telescope has identified compact, mysterious galaxies nicknamed “astronomy’s platypus.” These strange objects defy classification, offering insights into the early universe, galaxy ...

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

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 ...