The mirror gathers light from deep space and reflects it into the telescope’s instruments. The bigger the mirror, the more light it can collect – and the farther it can see.

Two more of NASA's space telescopes got another look at comet 3I/ATLAS, an interstellar interloper that captured the world's ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than images from ground-based telescopes. In August of that year, Hubble made one of ...

Revealing hidden aspects of the universe: NASA’s James Webb Space Telescope captured an unprecedented image of a region known as Cat's Paw Nebula.

The story of the James Webb Space Telescope begins 30 years ago, as NASA scientists were beginning to discuss a new space telescope, then called the Next Generation Space Telescope.

NASA observed interstellar comet 3I/ATLAS through the lens of the James Webb Space Telescope for the first time.

The mirrors of the James Webb Space Telescope are assembled. (Image credit: NASA/MSFC/David Higginbotham/Emmett Given via Wikimedia Commons) This article was originally published at The Conversation.