The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a ...

Saturn just solidified its title as ‘moon king’ with an updated tally of 274 satellites orbiting the gas giant. The ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

Voyager 1 crossed into interstellar space in 2012, followed by Voyager 2 in 2018, making them the only spacecraft to operate ...

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

“These moons are a few kilometers in size and are likely all fragments of a smaller number of originally captured moons that were broken apart by violent collisions, either with other Saturnian moons ...

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

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 ...

The Apollo spacecraft is a complex transportation system designed for lunar missions, standing 363 feet tall and weighing ...

Imagery of Saturn captured by the James Webb Space Telescope is superimposed over an image captured by Hubble. "Yellows represent bright and warm parts of Saturn’s atmosphere, while the purple areas ...