On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

NASA's Hubble Space Telescope managed to capture an incredible image of a galaxy that looks ... The researchers believe the first two rings in the Bullseye formed rapidly and spread out in wider ...

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

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

HH 30 is a luminous region surrounding a newborn star, or protostar. The James Webb Space Telescope helped reveals ...

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

Hubble’s latest image of the Tarantula Nebula highlights cosmic dust, interstellar gas, and active star formation.

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

NASA's Hubble Space Telescope spotted a cosmic Bullseye galaxy, revealing evidence of a rare kind of galactic collision.

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy ... "This is the first time that we can see such detailed structures ...