A fourth Sun-like star loops around this tightly packed inner nexus roughly once every 1,000 days. The whole collection would ...

A steady stream of particles forms a huge bubble around the Sun. Now, such a structure has been found around a Sun-like star ...

The galaxy NGC 941 was imaged by the Subaru Telescope at the summit of Maunakea, Hawai'i. Using the Subaru Telescope located at the summit of the extinct volcano Maunkea in Hawai'i, astronomers have ...

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

Astronomers have spotted a galaxy so faint, it’s almost invisible — a discovery that could help illuminate one of the most ...

Astronomers using the James Webb Space Telescope have spotted the most distant “jellyfish galaxy” ever seen — a cosmic oddity ...

Astronomers used Webb to find the star behind supernova 2025pht, revealing how thick dust can hide massive red supergiants.

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

The star system has been nicknamed the “Moth” because of its wing-like disk, visible in infrared observations, of leftover ...

Astronomers used RR Lyrae stars to trace the early Milky Way, revealing a rapid formation of its halo and disk, with chemical patterns similar to Andromeda.

Social media is abuzz with a planetary parade happening Saturday night. Six planets will be visible on the western horizon, and Houston’s weather will cooperate. What ...

Lead image: This artist’s conception depicts how the formation of the universe’s first stars may have appeared. Dense clouds of hydrogen and helium likely collapsed inward, increasing pressure and ...