Each week this summer, Life's Little Mysteries, a sister site to SPACE.com presents The Greatest Mysteries of the Cosmos, starting with our solar system. Mars, the fourth planet from the sun, gets its ...

New observations from the James Webb Space Telescope have revealed unexpected features in the early universe, including unusually bright galaxies, rapidly forming black holes, and compact objects that ...

Space is the final frontier, right? That's what science fiction loves to say, and there's a lot of whimsy and wonder behind such a statement. But that's for a fairly good reason. After all, it's not a ...

Our cosmos seems, at times, like one impossibly vast factory, just pumping out mysteries. The deeper we peer, the more we learn – but each new discovery stirs up a plethora of new puzzles to solve, ...

"Stars like the sun don’t just stop shining for no reason." ...

KENNEDY SPACE CENTER — SpaceX launched three satellites early Wednesday on a million-mile trip to tackle the mysteries of space weather, including how to protect from the sun’s disruptive and ...

For astronomers, probing the mysteries of “space ice”—its molecular makeup and how it formed—could be the key to understanding not just extraterrestrial geology but also the potential for alien life.

For decades, astrochemists have been looking for sulfur atoms in space and finding surprisingly little of the element that is a key ingredient to life. A new study could point to where it has been ...