But the Spitzer telescope's infrared vision is the keenest ever, thanks to a mirror nearly three feet (0.9 meters) across, sensitive detectors cooled almost to absolute zero, and an orbit far from ...

The James Webb Space Telescope captured photos of one of the earliest supernovas ever seen using infrared technology, and creating a time lapse of the phenomena.

Though space is chock-full of interstellar medium, it tends to be invisible unless lit up by a celestial spotlight. Sometimes ...