Even small asteroids can do a lot of damage—and new research shows the James Webb Space Telescope is adept at spotting the tiniest of space rocks. A time-lapse of images from NASA’s James Webb ...

The James Webb Space Telescope has captured an image of a baby, Milky Way-like galaxy that formed more than 13 billion years ago. This "Firefly Sparkle" galaxy could reveal how our own galaxy evolved.

In new images from NASA's James Webb Space Telescope, the galaxy appears as a long, warped arc teaming with star clusters that resemble a swarm of lightning bugs on a warm summer night.

In the years since, researchers using the Hubble Space Telescope have observed that the current expansion rate, called the Hubble constant, is faster than what standard cosmology models estimate ...

A grand spiral galaxy takes center stage in a new image from the Hubble Space Telescope. The galaxy, known as NGC 5643, is located roughly 40 million light-years from Earth in the constellation Lupus.