Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

The initial findings offer novel perspectives on the relationship between star formation and the evolution of galaxies.

NASA's Nick Hague and Suni Williams will service the X-ray telescope attached to the ISS during a 6.5-hour-long spacewalk today (Jan. 16). Watch it live.

Space Telescope Science Institute sent out a tweet, announcing the observation of the 12th (and last) quasar on our Hubble Cycle 30 program. Charles Danforth (CU/Maxar)and Rongmon Bordoloi (NCSU) are ...

"This tells us that objects like white dwarfs may be able to live very close to an event horizon for a relatively extended period of time." ...

The most powerful telescope ever put into space has made a historic discovery. The most powerful telescope to be launched ...