NASA's James Webb Space Telescope has discovered evidence of a giant planet orbiting a star in the solar system closest to Earth, the administration announced Thursday.

Astronomers using NASA's James Webb Space Telescope have found strong evidence for a new exoplanet — one orbiting Alpha Centauri A, the nearest sun-like star to Earth.

James Webb Space Telescope Spots The Most Distant Black Hole Merger A merger of galaxies and their supermassive black holes in the ZS7 system was spotted by the James Webb Space Telescope.

Webb has been orbiting more than a million miles from Earth, capturing breathtaking images of deep space. But how does it actually work?

The James Webb Space Telescope has captured a rare glimpse at the gaseous "shrouds" that surround dying stars before they go supernova.

The exoplanet, a planet beyond our solar system, has been dubbed TWA 7b after NASA's James Webb Space Telescope captured evidence of it.

In two related firsts, the James Webb Space Telescope has discovered sand-filled rains on a distant exoplanet as its "sandcastle" partner world forms from sandy matter before the eyes of astronomers.

James Webb captures gorgeous image of a Cosmic Tornado The James Webb Space Telescope has captured another stunning image of space, this time showing the dramatic scenes around a baby star.

Dozens of images from the James Webb Telescope reveal secrets of universe's beauty.

The James Webb Space Telescope has spotted five galaxy candidates dating to just 200 million years after the Big Bang, making them the earliest ever detected. And there could be many more.

The James Webb Space Telescope captured massive galaxy cluster RX J2129. located about 3.2 billion light-years away. A ‘supernova-hosting galaxy’ can be seen three times, at 3 different points ...

Astronomers using the James Webb Space Telescope have, for the first time, observed a galaxy from the early universe that is growing from the inside out, just 700 million years after the Big Bang.