The space rock is small for an asteroid, but it's still the size of the Colosseum in Rome. The James Webb Space Telescope has ...

One of the solar system’s 1.1-million-plus asteroids was recently spotted by the Webb Space Telescope, from a distance of ...

However, NASA says recent “lucky” observations by James Webb have revealed that the spectacular rings surrounding this asteroid are home to water ice, marking an exceptional discovery for ...

In October 2022, the James Webb Space Telescope (JWST or Webb) watched as Chariklo, a tiny ringed asteroid, eclipsed a star. This event, called an occultation, marked a first for Webb. At the ...

While the James Webb Space Telescope has been ... made of four different pictures taken by Hubble’s Advanced Camera for Surveys. An asteroid streaks through the image in the upper left side ...

European astronomers using the James Webb Space Telescope have detected a previously unknown asteroid about the size of Rome's Colosseum ...

James Webb has hit a software glitch. The newly minted telescope has only been in service for a little over six months, but it has run into yet another problem that will delay scientific ...

It was also the first time the public understood how much more powerful Webb is than its predecessor, the Hubble Telescope, which only sees visible light, ultraviolet radiation and near-infrared ...

Webb’s primary mirror is the largest ever launched into space and has 6.25 times more collecting area than Hubble’s mirror ... the very faint photons that hit that mirror could be converted ...