The 24th day of the annual Space Telescope Advent Calendar features dozens of galaxies in a cluster, most appearing stretched ...

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

Euclid launched in 2023 on a six-year mission to map the cosmos at scale, observing billions of galaxies stretching as far ...

NASA’s SPHEREx space telescope has mapped the entire sky in 102 infrared colors for the first time, revealing cosmic secrets ...

Jared Isaacman will lead NASA as it sends astronauts around the moon and hopes to launch a space telescope to study dark ...

From private space tourism to secret moons to new images of our very old observable universe, 2025 was an exciting year in ...

This results in a composition that is “unexpectedly chaotic and turbulent.” “These new Hubble images show that planet nurseries can be much more active and chaotic than we expected,” Kristina Monsch, ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.

The James Webb Space Telescope has been helping scientists explore the cosmos for years now, but there are still plenty of ...

Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest ground-based images ever taken. Using the Subaru Telescope ...

On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon ...