An astonishing discovery from the James Webb Space Telescope may rewrite our understanding of the Universe’s early years. A ...

Researchers have developed a new coronagraph that could make it possible to see distant exoplanets obscured by light from their parent stars.

The Hubble Space Telescope has captured imagery of spiral galaxy UGC 2890. The "galaxy lies around 30 million light-years ...

The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

The rotating disk galaxy, mostly made up of dark matter, was discovered within a larger cloud of fast-moving hydrogen gas.

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

Astronomers are applying new image-processing techniques to previously released Hubble observations in honor of the space telescope's upcoming 35th anniversary.

Zhúlóng is the most distant spiral galaxy ever seen. It formed 1 billion years after Big Bang, yet has a calm structure like ...

The Hubble Space Telescope reveals a new image of the Sombrero Galaxy, indicating its unique formation and merger with another galaxy.

"Magnetar birth rates and formation scenarios are among the most pressing questions in high-energy astrophysics." ...

In a discovery that could reshape our understanding of how galaxies form and evolve, astronomers have identified the most distant spiral galaxy candidate ever observed—a vast, mature system that ...