The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

NASA is monitoring three aircraft-sized asteroids that will zoom past the Earth later today at around 19,000 to 22,200 miles per hour.

SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the corona. Here's what to know.

Their costs are rocketing upwards. Several of NASA’s top private contractors have been plagued by budget overruns and delays ...

A routine crew rotation at the International Space Station has taken on unusual significance: It paves the way for a pair of ...

NASA's newest space telescope rocketed into orbit Tuesday to map the entire sky like never before—a sweeping look at hundreds ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

NASA and SpaceX successfully launched their SPHEREx and PUNCH missions into orbit Tuesday night from Vandenberg Space Force ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...

This month, a total lunar eclipse and blood moon will be viewable across the U.S. Here's the best times and places to view ...

Experiments suggest that processes in the interior of the moon could keep it swathed in an atmosphere that should otherwise ...