A supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...

The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

A major discovery on the outskirts of Andromeda is shaking up our understanding of galactic evolution. Astronomers have found the dimmest and smallest satellite galaxy yet—Andromeda XXXV—forcing them ...

NASA has launched the SPHEREx telescope to map the entire sky and study the universe's beginnings. The device was launched ...

NASA’s newest space telescope rocketed into orbit to map the entire sky like never before — a sweeping look at hundreds of ...

SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

NASA’s SPHEREx mission has successfully communicated with Earth, marking the start of an ambitious journey to map the cosmos.

Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda ...

SpaceX and NASA successfully launched the agency’s newest space telescope and solar research mission Tuesday evening. A ...

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...