From a window on the International Space Station, astronauts have captured a rare view of a nearby galaxy caught in the act ...

Globular clusters are often described as ancient, tightly bound fossils of the early Milky Way. It has been believed that ...

High above the Milky Way’s quiet spiral arms, the Hubble Space Telescope has zeroed in on a young stellar system that looks ...

Only a small fraction of the observable universe is comprised of visible matter. Current data suggests all galaxies are ...

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

Hubble reveals a chaotic spiral galaxy whose close encounter with a neighbor has ignited a spectacular burst of star birth.

Astronomers analyzing the interstellar object known as 3I/ATLAS say new trajectory and composition data point to an origin ...

In 1974, the project’s Science Working Group recommended that the telescope be required to resolve details at least one-tenth ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

The James Webb Space Telescope has observed the dwarf galaxies NGC 4490 and NGC 4485 engaged in a gravitational dance.

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

A sideways spiral galaxy shines in this NASA/ESA Hubble Space Telescope image. Located about 60 million light-years away in ...