Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

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

NASA's James Webb Space Telescope has captured the infrared glow of an ancient supernova's light echo, revealing unprecedented 3D details of interstellar dust and gas. The space between stars is ...

"We think every dense, dusty region that we see, and most of the ones we don't see, look like this on the inside — we just ...

The galaxy, located in the constellation Leo, is about the same size as a star cluster within the Milky Way and is about the ...

Though space is chock-full of interstellar medium, it tends to be invisible unless lit up by a celestial spotlight. Sometimes ...

More than one million images present the cosmos as Nancy Grace Roman Telescope will see it from 2027.

Astronomers have made new discoveries about young star formation in the Large Magellanic Cloud (LMC), using the James Webb ...