A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

Astronomers using the Hubble Space Telescope (HST) have studied one of the largest young star clusters in our galaxy, ...

Like its mythological namesake, the Phoenix Cluster burns with blisteringly hot gas, which cools to birth stars. The James ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Astrophysics professor Wendy Freedman discussed her career and award-winning research on the Hubble constant.

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...

Hubble captured Westerlund 1, a massive young star cluster with 50,000+ stars. This study reveals stellar motion, structure, ...

Using the Hubble Space Telescope (HST), astronomers have observed a supermassive galactic open cluster designated Westerlund ...

This image of the galaxy cluster Abell 2744 is from the Frontier Fields project, using natural gravitational lenses and ...

LEDA 1313424, aptly nicknamed the Bullseye, is two and a half times the size of our Milky Way and has nine rings — six more than any other known galaxy. This NASA/ESA Hubble Space Telescope image ...

NASA's Hubble Space Telescope has captured spectacular images of the cosmic wonder LEDA 1313424, also known as the 'Bullseye' galaxy. Assisted by Hawaii's W. M. Keck Observatory, astronomers ...