combine in this image with earlier observations by the Hubble Space Telescope, the Chandra X-ray Observatory and the Spitzer Space Telescope to reveal a clearer picture of Cassiopeia A than ever ...

The Hubble Space Telescope’s NICMOS (Near Infrared Camera and Multi-Object Spectrometer) originally used solid nitrogen coolant to reduce the detector temperature to 40 K, although it proved to be ...

"We are literally mapping the entire celestial sky in 102 infrared colors for the first time in humanity's history." ...

Scientists targeted a light echo previously observed by NASA’s retired Spitzer Space Telescope, and it is one of dozens found near remains of the Cassiopeia A supernova. The Webb images show ...

Advanced optical testing assures the ability of Roman Space Telescope Arrangements made of the mirrors and scientific tools used in the Roman Space Telescope are necessary to become flawless ...

The light echoes were first detected by NASA's retired Spitzer Space Telescope, but Webb's high-resolution imaging has provided clearer views of these cosmic phenomena. The echoes result from a ...

An eggshell white, conical probe named SPHEREx, which stands for Spectro-Photometer for the History of the Universe, Epoch of Reionisation and Ices Explorer will enter Nasa's space telescope epic ...

The next great space telescope will study ... The central feature of the telescope is an exquisitely polished, concave primary mirror, 2.4 meters (7.9 feet) in diameter. The primary mirror sits ...

Sometimes, scientists get lucky: In 2012, NASA's Spitzer Space Telescope grabbed an image of lacy interstellar medium illuminated by Zeta Ophiuchi, a large star roughly 370 light-years away.

When fully assembled, M1 will be the largest mirror ever built for an optical telescope. Breaking space news, the latest updates on rocket launches, skywatching events and more!