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Ceres Looks Seriously Young

Asteroids should not be so active. This one was, and is.

Pluto Rivals Earth in Geological Complexity

Call it what you will, Pluto is a planet of surprises. Its active geology is second only to Earth's, say two planetary scientists.
False-color image of Pluto from New Horizons, July 24, 2015

What’s Pluto Been Dune? Making Young Sand Dunes

Sand dunes were surprising enough on Titan, but et tu, Pluto? and young, recent dunes? Scientists couldn't believe their eyes.

Ring Around the Dwarf Planet Says ‘I’m Young’

You can't declare something old just because your worldview requires it to be old.

Dawn of a Young Ceres

The largest asteroid has a problem: she's too young to get a date.

Juno How Old the Solar System Is?

Everyone knows the solar system is 4.5 billion years old. Everyone, that is, except Nature herself.

Pluto May Be Erupting

Two mountains that look like giant volcanoes hint at current activity on Pluto.

Will Pluto Surprise Scientists?

First-time encounters have a long history of shocking planetary scientists with unexpected features. It's about time for Pluto.

What to Look for at Pluto

As New Horizons closes in on Pluto for its July 14 encounter, what questions should be asked?

8.7 Million Species Is Not a Scientific Fact

Human beings love to classify things. We pigeonhole items into bins of our own making, for whatever the reason, to give us a feeling of having things organized and understood. Do our pigeonholes reflect categories that are “out there” in nature, or are they constructs of our own minds? Science reporters are announcing in bold print that there are “8.7 million species on Earth,” but a look at the fine print shows the error bars to be so enormous, there is more error than data. What does this imply about the scientific validity of human classification schemes?
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