Engineers at NASA’s Goddard Space Flight Center completed the final inspection of the Nancy Grace Roman Space Telescope’s 2.4 ...

NASA's SWIFT observatory is losing altitude. Katalyst is launching a spaceship to rescue it, which has now reached NASA's ...

NASA’s Nancy Grace Roman Space Telescope’s primary mirror passes its final check, heading for launch on August 30, 2026.

“The Sun emitted a strong solar flare on June 3, peaking at 7:28 a.m. ET,” NASA, the federal body constantly watching the sun ...

WASHINGTON — NASA is making progress on a multibillion-dollar series of Earth science missions amid uncertainty about their funding for the next year. In town hall sessions at the Fall Meeting of the ...

NASA is celebrating the 25th anniversary of its Chandra X-ray Observatory launch by sharing never-before-seen photos of the largest known spiral galaxy in the universe. The Chandra X-ray observatory ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A glowing supernova ...

NASA launched the Chandra X-ray Observatory 25 years ago this week, opening a new eye on the Universe and giving astronomers vision into unimaginably violent cosmic environments like exploding stars ...

NASA shared a response Wednesday on an independent review board established to assess plans and goals for the next generation of Earth-observing satellites: NASA’s Earth System Observatory, a cutting ...

NASA’s Chandra X-ray Observatory and James Webb Space Telescope have joined forces to produce stunning composite images of the cosmos. The space agency recently released images that combine X-ray data ...