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 ...

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.

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 ...

"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." ...

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 ...