Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

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

The Carrington Event, as it was later called, revealed that the sun's environment could violently change. It also suggested ...

New research shows how Jupiter carved out rings and gaps that changed how and when planets and meteorites formed.

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

The comet 3I/ATLAS, which many still believe to be a form of alien spacecraft, may reveal its origin as it passes behind the ...

Scientists have uncovered a mysterious relic from an area of the moon that has never been explored by humans until now.

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

The study of young stars like EK Draconis has offered fresh insights into the violent activity of our Sun in its youth. By ...