The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, ...

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

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...

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 ...

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

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

Six planets grace the sky this month in what’s called a planetary parade. Venus, Mars, Jupiter and Saturn are visible to the naked eye in January and for part of February.

Of all the mysteries that the massive James Webb Space Telescope has seen so far in the early universe, one of the strangest are objects that astronomers now call "little red dots." Like the ...