On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

The 16th day of the 18th annual Space Telescope Advent Calendar shows a spiral galaxy displaying at least nine concentric ...

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy ...

The next-gen Nancy Grace Roman Space Telescope is slated to explore vast cosmic voids to uncover the hidden forces shaping ...

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions ...

Gamma-ray bursts (GRB) are some of the most perplexing phenomena in nature. Even though astronomers have detected about ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

The Hubble Space Telescope has captured an amazing view of galaxies LEDA 48062 and UGC 8603. Credit: ESA/Hubble & NASA, R.

With construction complete, the telescope will now move into final testing. Following testing, Roman will be packaged and ...

This video by Ian Lauer is an excellent accessible explanation of the basics of astrophotography as he runs through the ...

The space agency said supernovas typically brighten rapidly over a period of several weeks before they slowly start to dim. This example, however, took months to ...