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Our Super Moon Is Not an Accident

A finely-tuned collision to form Earth's vital moon is tantamount to a miracle.

Moon Just Got 100-fold Younger

New study of craters shows that moon's surface gets churned every 81,000 years, not every million years.

Moon Origin Story Collapses

In a one-two punch, discoveries undermine the accepted story of the moon's origin and its subsequent history.

Juno How Old the Solar System Is?

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

Titan Ethane Still Missing, and Other Planetary Puzzles

We update the problem of Titan's missing ethane and other challenges to billions of years.

Rearranging Deck Chairs on Sinking Planet Theories

Supernovas come in handy as theory rescue devices.

Titan Takes the Age Stage

Saturn's giant moon has prompted a flurry of new science papers. Can anyone keep it billions of years old?
Earthrise 2015 LRO

New Earthrise Is a Stunner

Take a look at this image from a lunar orbiter on the 47th anniversary of the historic Apollo 8 "Earthrise" photo.

Tilted Planets Throw Theories Off Kilter

An example of how data can be framed as success or failure, depending on the reporter's spin.

Origin-of-Life Speculation Goes Off the Rails

Astrobiologists and their accomplices in the media are finding life everywhere where it isn't or couldn't be. Time to call in the science rangers.

Pounding Headaches for Solar System Dates

It's hard to tell when things crashed into each other.

Astrobiology: The Joy of Being Wrong

An astrobiologist looks forward to the day when everything he says is totally wrong.

Where Are the Earth's Impact Craters?

The number of impact craters on Earth is almost negligible compared to Mars and the moon. Can erosion explain this?

What to Look for at Pluto

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

Moon Origin Models Require Cheating

You can't get Earth's moon from a planetary collision without quasi-miraculous tweaks to the models.
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