The newly discovered world, which is 41 light-years away, is almost exactly the same size as the Earth.
The space agency has been getting into the Halloween spirit with this latest image from the James Webb Space Telescope.
The James Webb Space Telescope has captured a spectacular new image of Neptune and its rings.
The James Webb Space Telescope may not find evidence of alien life, but the next telescope probably will.
The next-generation space telescope has achieved what astronomers are calling 'a transformative moment'.
Two astrophysicists explore the possibilities of using the new telescope to analyze the atmospheres of extrasolar planets.
Several more stunning images from the James Webb Space Telescope have now been published by NASA.
President Joe Biden has unveiled the next-generation space telescope's first deep field images of a distant galaxy cluster.
The next-generation telescope has been hit by a tiny space rock, but there's no need to be too concerned about it.
The next-generation space telescope is almost ready to wow us with spectacular images of the cosmos.
The James Webb Space Telescope's mirrors are now aligned and scientists are very impressed with the result.
The next-generation telescope has reached the L2 Legrange point where it will begin a 6-month commissioning process.
After 25 years of development, the next-generation space telescope has finally made it into orbit.
The long-delayed space telescope should finally be heading into space before the year is out.
The upcoming James Webb Space Telescope will be able to detect the signatures of life on other worlds.
The ambitious new space telescope continues to be plagued by a never-ending string of setbacks.
The upcoming launch of the ground-breaking new space telescope has now been pushed back to 2020.
The next generation telescope will enable us to directly study the atmospheres of extrasolar planets.
The launch of the giant orbital telescope has been pushed back from October 2018 to Spring 2019.
The successor to the Hubble Space Telescope is set to be placed inside a huge thermal vacuum chamber.