Right above you is the sky – or as scientists would call it, the atmosphere. It extends about 20 miles (32 kilometers) above the Earth. Floating around the atmosphere is a mixture of molecules – tiny ...

Some newly found stars in a small galaxy called Sextans A are forming without some of the usual "ingredients," raising questions about how the early universe evolved.

Using the Subaru Telescope's wide-field camera, astronomers have discovered a previously unknown structure surrounding a tiny satellite galaxy of the Milky Way. The newly discovered structure exhibits ...

What new methods can astronomers develop to image distant galaxies while enabling them to learn about their stars and other celestial objects? This is what a recent study published in Astronomy and ...

Recently, the Hubble Space Telescope captured an image of a dwarf galaxy in the constellation Ursa Major. Markarian 178 (Mrk 178) is one of over 1500 "Markarian galaxies," a class defined by their ...

The vast majority of stars form and reside within galaxies due to the presence of cold, dense molecular gas clouds conducive to star formation. True intergalactic space, characterized by low-density ...