The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

On December 25, 2021, the largest and most powerful space telescope, the James Webb Space Telescope, was launched into space ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

NASA's Chandra X-ray Observatory and Hubble Space Telescope confirmed the existence of a companion star orbiting Betelgeuse, ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

As best the origins of Earth are understood, we're all just a bunch of stardust, and new observations from the JWST lend credence to that theory.

Astronomers have witnessed a young star, EK Draconis, unleash a powerful, multi-temperature plasma eruption, offering a rare ...

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

Newly discovered multi-wavelength view of a stellar eruption on a young Sun-like star is changing how we think about life's ...

The Senate's report supports Space.com's findings, stating, "as early as June 2025, NASA began 'implementing immediately' ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...