China may have just become the first country to attempt satellite-to-satellite refuelling in geosynchronous orbit ...

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

COPENHAGEN, Denmark (AP) — Police were examining a suspicious package sent to the Israeli Embassy in Denmark's capital, ...

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

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

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

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

—Clement Nkubizi, the country director for the nonprofit Action Against Hunger in South Sudan, tells Wired that their food ...

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

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

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