The only problem was that the resulting image was upside down ... This was the first working reflecting telescope. Other designers proved unable to grind mirrors with a regular curvature, so ...

NASA's James Webb Space Telescope is known for looking deep into the universe with an unprecedented level precision and sensitivity. But its images aren't only scientifically useful — they're ...

The orbiting satellites add unwanted noise to observations of the night skies by reflecting sunlight, appearing as streaks in images captured ... the lenses of telescopes pointed in their direction.

An illustration of the James Webb Space Telescope as it orbits the sun in ... But there was a problem. It shouldn't have been possible for such massive galaxies — the earliest of which formed ...