Astronomers believe they've discovered some of the universe's earliest stars, located about 13 billion light-years from Earth ...

The James Webb Telescope is reshaping our understanding of distant worlds, revealing exoplanet atmospheres, potential ...

"We really needed the sensitivity of JWST. We also needed the 100 times magnification from gravitational lensing from a ...

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the one orbiting Earth could potentially form. Using data from NASA’s James ...

Two more of NASA's space telescopes recently got another look at comet 3I/ATLAS, a captivating interstellar interloper that first captured the world's attention in July. The object – just the third ...

The James Webb Space Telescope was built with a flaw, and because it's a million miles away, we can't repair it, but we can ...

On Wednesday, Nov. 19, NASA will unveil more 3I/ATLAS images captured by the space agency's fleet of instruments both on the ...

The James Webb Space Telescope may have discovered Population III stars, the universe's first generation of stars. They may ...

NEW YORK (AP) — The Webb Space Telescope has spotted a new tiny moon orbiting Uranus. The new member of the lunar gang, announced Tuesday by NASA, appears to be just six miles (10 kilometers) wide. It ...

James Webb telescope's 'starlit mountaintop' could be the observatory's best image yet — Space photo of the week The James Webb telescope proves Einstein right, 8 times over — Space photo of the week ...

The upcoming Extremely Large Telescope is designed to capture images with far greater detail than any ground-based ...