Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

NASA has confirmed the discovery of an Earth-sized planet parked right in the “habitable zone” of a distant red dwarf star.

The JWST could see a 25-35% reduction in operations, and some Hubble instruments may have to fend for themselves.

Some of these open clusters are pretty famous, such as the Pleiades cluster, also known as the Seven Sisters. This is ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

The European Space Agency (ESA) has announced it is continuing work on a mission to meet future visiting entities. The post ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

Scientists say that the construction of a vast new radio telescope array in the Utah desert — known as the Deep Synoptic ...