That "city-killer" asteroid may no longer be projected to strike Earth any time soon, but scientists are still keeping close tabs on it. Using the mighty James Webb Space Telescope, astronomers have ...
Asteroid 2024 YR4 is about 200 feet (60 meters), which is about the size of a 15 storey building. (Elements of this image furnished by NASA. Adobe Photoshop CC 2015. Knoll light factory. Adobe After ...
Welcome to the 18th annual Space Telescope Advent Calendar, featuring remarkable images from NASA’s Hubble Space Telescope and James Webb Space Telescope. Every day until December 25, this page will ...