Scientists using the Hubble Space Telescope have spotted a record-smashing galaxy wrapped in 9 rings of stars — along with ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.

"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

NASA's Hubble captured LEDA 1313424, a galaxy with record-breaking nine star-filled rings, formed by a rare dwarf galaxy ...

A Triple Star System Yields an Unusual Surviving Star Unlike our Sun, which exists alone, at least half of the stars in our ...

The James Webb Space Telescope’s (JWST) picture of the month for February 2025 is showing off the power of planet formation.

The mystery arose more than 20 years ago, when the Hubble Space Telescope spotted the universe's oldest known planet, which formed earlier in the universe's history than scientists thought was ...

NATIONAL HARBOR, Md. — Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory, project officials warn.

The Hubble Space Telescope captured an image of the constellation Hydra, showcasing stars and galaxies at varying distances. Nearby stars within the Milky Way are identifiable by diffraction spikes.

A rare breed of star recently discovered by the Hubble Space Telescope spins faster by feeding on its stellar siblings.

New measurements reveal the Coma Cluster is 38 million light-years closer, worsening the Hubble tension crisis and challenging cosmology models.