The James Webb Space Telescope and the Chandra X-ray Observatory have captured the clearest image yet of a galaxy cluster in the making, seen when the universe was only one billion years old.

How space telescopes capture distant galaxies using infrared imaging, precision optics, and astronomy technology beyond Earth's atmosphere.

Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas. When you purchase through links on our site, we may earn an affiliate commission.

From orbit, Earth looks less like a postcard and more like a living system of light, color and motion, where human fingerprints are subtle rather than screamingly obvious. The popular claim that the ...