F iguring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, ...

Astronomers investigate a potential impact on Saturn after a bright flash was caught on camera. NASA image may show first ...

The rings of Saturn glide so tranquilly when watched through a telescope, that it is easy to forget the planet sits in a ...

Recent probe missions, like Juno and Cassini, have orbited Jupiter and Saturn, respectively. The information these probes sent back has changed that view.

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.

But on the way, Cassini has snapped some images of Jupiter that have scientists wishing they were there. A spectrograph built by students and faculty the University of Colorado at Boulder has yielded ...

Explore how mass spectrometry is transforming planetary science – delivering key data from space missions to Titan, Venus and ...

Felton Davis offered thousands of strangers a close-up view of the Moon and planets orbiting New York City. Now he’s passing ...

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