Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

Stranded astronauts and celebrity space tourism have piqued interest in space — and a photography exhibition in the museum is ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

A new University of Kansas survey of distant galaxies using the James Webb Space Telescope reveals never-before-seen star ...

Lyrid's peak is forecast to last for two nights beginning Monday, with bright fireballs visible from the West Coast. Here's ...

Possible dark galaxy discovered near Milky Way Emits no visible light, made of hydrogen and dark matter Detected using Green ...

The best time to view the Lyrids is when Lyra, the Northern Hemisphere constellation from which the meteors appear to radiate ...

See the SpaceX Dragon spacecraft and the Milky Way galaxy in this time-lapse view from the International Space Station. Credit: NASA | edited by Space.com ...

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

Two years ago, a star on its deathbed was charged with a heinous act — eating a planet — in a system 12,000 light-years away ...

These icy bodies contain organic molecules — and don’t fall into any known category of celestial object we’ve seen before.