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Uranus and Neptune in the News

The blue planets beyond Saturn made headlines recently.

Young Saturn Refuses Billions

Planetary scientists are trying hard to get Saturn and its moons to take billions of years, to no avail.

News for Saturn-Day

This entry scours some of the latest papers from Cassini for statements about the age of Saturn and its rings and inner moons.
Triton from Voyager 2, 8/25/89

Planet Party Busted by Triton

Theories can be like parties with tantalizing speculations until big, whopping anomalies spoil the fun.
Cassini at Saturn

Cassini Gets Higher Look at Saturn's Youth

Now entering its final dramatic high orbits, the Cassini spacecraft is finding unexpected things for an assumed old planet.

Solar System Puzzles Needing Explanation

Here are some of the latest observations that are baffling planetary scientists.

Moon's Stabilizing Influence Depends on Star Size

A connection between multiple factors was noted in a recent model of how a moon helps a planet remain habitable.

Bimbo Eruptions in the Solar System

Planetary origin theories come across as popular and charismatic, till some little moon pops off and says, "Yoo-hoo! Remember me?"

Astronomy Grab Bag

For year's end, here's a clean-out of astronomy articles—from planetary science to cosmology—to motivate further inquiry.

Are Saturn’s Rings Evolving?

Can ring particles grow into moons? And is that how planets grew from rings around stars?
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