A distant star dimmed by 97% for nearly 200 days. Astronomers say giant rings around a brown dwarf or super-Jupiter may explain it.

New NASA supercomputer simulations show that Saturn's rings may have been formed by a 'massive collision' of icy moons. Credits: NASA/Durham University/Glasgow University/Jacob Kegerreis/Luís Teodoro ...

A single scenario could explain some of the odd features of Saturn's cosmic neighborhood. A project that set out to seek the origin of the planet's rings and why Titan’s orbit is expanding may have ...

Titan orbits farther out, moving with steady confidence, whereas Saturn has always handled itself with a sort of serene ...

Scientists suggest Titan formed from a giant moon collision that also may explain Saturn’s rings and strange moon orbits.

NPR's Ayesha Rascoe plays the puzzle with WWNO listener Shyra Latiolais and Weekend Edition Puzzlemaster Will Shortz.

Saturn’s giant moon Titan and the planet’s famous rings may share a dramatic origin story. A new study suggests that Titan could have formed when two older moons smashed together, while the debris ...

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If Titan formed from a merger, the researchers found, its eccentric orbit could destabilize smaller moons closer to Saturn, ...

Of the solar system’s planets, Saturn piques the human imagination with its signature rings and impressive moon count of 274. But compelling new research reignites theories of an ancient collision ...

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In a paper to be published in the Planetary Science Journal, scientists from SETI Institute, Southwest Research Institute, Caltech and the Observatoire de Paris argue that Saturn’s largest moon is not ...