A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still ...

How can Uranus be used to indirectly study its moons and identify if they possess subsurface oceans? This is what a recent ...

True Anomaly will take its space-security work far afield next year.The Colorado-based startup, which aims to make space a ...

What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

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

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with ...

On March 29, a partial solar eclipse will cause a dark shadow over eastern North America — and weather satellites will pick ...

“On Earth we can use GNSS signals to navigate in everything from smartphones to airplanes,” Kevin Coggins, deputy associate administrator for NASA’s SCaN (Space Communications and Navigation) Program, ...

Its impressive moon tally means it has the most moons of any other planet in the solar system. Saturn's satellites differ greatly in their composition, from icy giants with subsurface oceans to ...

Astronomers have just discovered 128 new moons orbiting Saturn, bringing its total to a staggering 274. This discovery not ...

The Moon passes through the shadow cast by Earth and turns our only natural satellite a reddish color. While most of the country will theoretically be able to see the eclipse, cloud cover could ...