A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

A striking new image from the James Webb Space Telescope shows a rare object called an Einstein ring. This shows what appears to be a ring-shaped object in the sky, but is actually created by two ...

Webb has filled in many gaps left by Voyager 2, the only spacecraft to visit the planet. In 2022, the telescope captured ...

Webb's penetrating infrared gaze has now revealed the true identity of the glow as a face-on, distant spiral galaxy. It has a ...

NASA’s Webb Space Telescope was finally able to capture bright auroras on Neptune—the most distant planet in our solar system ...

HH 49/50 is one of these impact sites. It was nicknamed the "Cosmic Tornado" due to its dramatic, swirling shape. Spitzer's ...

This collage of images from the Flame Nebula shows a near-infrared light view from NASA's Hubble Space Telescope ... infrared view taken by NASA's James Webb Space Telescope.

NASA's James Webb Space Telescope has unveiled an awe-inspiring celestial spectacle of a spiral galaxy interacting with a ...