Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

While scouring images from the James Webb Space Telescope, astronomers spotted Capotauro, "one of the most puzzling ...

I/ATLAS is rich in carbon dioxide and challenging comet-theories. NASA's latest findings reveal why this interstellar visitor ...

NASA confirms the interstellar object 3I/ATLAS poses no threat to Earth, despite viral speculation. Scientists and the UN are ...

Firefly Sparkle,” a galaxy that existed about 600 million years after the big bang, has been imaged by the James Webb Space ...

NASA has used the James Webb Space Telescope to better understand the universe just after the Big Bang. The results have ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

Sagittarius B2, a massive molecular cloud near the center of the Milky Way, is densely packed with stars and complex magnetic fields.

NASA's Chandra X-ray Observatory and Hubble Space Telescope confirmed the existence of a companion star orbiting Betelgeuse, ...

NASA has announced that for the first time, it will contract out a private spacecraft to reboost one of its falling satellites: the Neil Gehrels Swift Observatory. The observatory has spent the past ...