James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

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

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 ...

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.

The shells of carbon-rich dust are expanding outward into space at the breakneck velocity of 1,600 miles per second.

How do images taken by the James Webb Space Telescope (JWST) appear so colorful, and where do the colors come from?

Once upon a time, the core of a massive star collapsed, creating a shockwave that blasted outward, ripping the star apart as ...

The James Webb Space Telescope captured photos of one of the earliest supernovas ever seen using infrared technology, and creating a time lapse of the phenomena.