Nicknamed the “Big Wheel,” a giant, spiral-shaped disk galaxy was spotted in an unusually crowded part of the early universe just two billion years after the big bang ...

My collaborators and I have just tackled one of astrophysics’ enduring mysteries: how massive elliptical galaxies can form.

The close galaxy in the foreground is an elliptical galaxy that's part of a large cluster known as SMACS J0028.2-7537. The more colorful galaxy warped around it is a spiral galaxy similar to the ...

Get Instant Summarized Text (Gist) Galaxies have been found to stop forming stars as early as 700 million years after the Big Bang, earlier than theoretical models predicted. The James Webb Space ...