Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

A faint, tiny flash of red light glimpsed at the Cosmic Dawn more than 13 billion years ago has smashed the record for the ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025 that may be dark stars.

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...