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 ...

Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private ...

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

We are going to be getting a lot of exciting new information about galaxies in 2026, says Chanda Prescod-Weinstein, who can't wait to see what it can tell us ...

Scientists have identified a strange cosmic relic called Cloud-9 — a starless, gas-filled object dominated by dark matter.

Astronomers used gravitational lensing to detect a supernova 10 billion light-years away, providing spatially separated images that help study cosmic expansion and early Universe events.

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s ...

Gas within the cluster, which existed merely 1.4 billion years after the Big Bang, is at least five times hotter than ...

The earliest acoustic vibrations in the cosmos weren’t exactly sound – they travelled at half the speed of light and there ...

A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, ...