Galaxy clusters are home to many giant elliptical galaxies that have completed their growth and are not forming stars.

"At first, I thought I completely messed up during our research," Olivia Achenbach of the United States Naval Academy told ...

The James Webb Space Telescope has captured an amazing view of interacting galaxies Arp 142. Arp 142 consists of a distorted ...

They say these ... Dec. 18, 2024 — Galaxy clusters -- the big cities of the universe -- are home to many giant elliptical galaxies that have completed their growth and are not forming ...

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the ...

Surrounded by glowing discs of swirling gas, quasars emit immense light that can be seen across vast cosmic distances.

Now that the gift-giving season is over, it’s time to kick off 2025 by treating yourself. The main event in January is Martin ...

Using the aging Hubble Space Telescope, Achenbach spotted an unusual spiral galaxy quasar with a visible jet. This calls into ...

Hubble Space TelescopeHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies depicted here span a mind-bending range of distances. The objects in this ...

The stars and galaxies depicted here span a mind-bending range of distances. The objects in this image that are nearest to ...

A SpaceX rocket took off from Kennedy Space Center in Florida early Wednesday morning carrying two lunar landers.