Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

Over its planned two-year mission, the $488 million telescope will scan the entire night sky every six months and collect ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space ...

Astronomers using NASA’s James Webb Space Telescope have made a groundbreaking discovery about how dust forms in some of the ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

Using NASA's James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A, one ...

Scientists have theorized that dark matter clumps exist in staggering numbers, far more than the galaxies we see. Only clumps ...

Using deep imaging from the James Webb Space Telescope, they observed a galaxy bearing a striking resemblance to our ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

New research puts forward compelling new evidence that dark matter interacts with cosmic "ghost particles" called neutrinos.

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