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 Helix Nebula is an example of a planetary nebula. Though it looks like a bubble or eye from Earth’s point of view, the Helix is actually a trillion-mile-long tunnel of glowing gases. In its center ...

Take a tour of the amazing Ring Nebula image captured by the James Webb Space Telescope. Credit: NASA/ESA/CSA/Institute for Earth and Space Exploration/JWST Ring Nebula Imaging Project ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

This NASA/ESA Hubble Space Telescope image peers into the dusty recesses of the nearest massive star-forming region to Earth, ...

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

These are the planets that will be visible with the naked eye. A rare parade of planets will light up the night sky ...

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

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 ...

NASA has released this photomosaic in two images that can be downloaded from its website: ...

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