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Craters: Seeing Fake Patterns

Biologists build on models from geologists who build on models from planetologists. But what if the bottom model is false?

Secular Ocean Theory Evaporates

The divination experts see a new vision emerging from meteorites, portending disaster.

What You Are Not Being Told About Earth's Magnetic Field

All you need to know is right here: (1) scientists don't understand it, and (2) without it we would be dead. Read more if you dare.
Earthrise 2015 LRO

Moon Bombarded by Crashing Theories

Strange things happen on our nearest neighbor. Stranger things happen in the heads of theorists trying to figure out our nearest neighbor.

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.

Moon, Mercury, and Magnetic Fields

After the crash of MESSENGER, magnetic fields in the solar system have become a key topic for planetary science.

Solving Moon Origin Unsolves the Last Solution

The moon's origin has been "demystified," scientists are claiming. That's what they said last time.

Water Worlds Tempt with Life, Not Youth

More and more planets and moons are suspected of having liquid water, but what should be the logical implications?

Solar System Reversals

The planets keep going around, but theories about them often stop and go backward or sideways. When nothing else works, send in the impactors!

Full Moon Has Magnetic Secret

Ponder this under tonight's full moon. Scientists now say the moon once had a magnetic field stronger than Earth's is now.

Comet Lander Working, But Not Optimal

Rosetta's Philae lander hopped twice before landing in the shade in a tilted position, but the instruments are working.

Mercury, Moon May Still Be Erupting

Two objects that should be old and dead show surprising activity. Other indications of youthfulness in the solar system are noted.

Lunar Impact: Major Moon Basin Was Not a Big Hit

The theory of how the largest impact basin on the moon was formed has been turned upside down.

Moon Still Has Hot Core

Japanese scientists have determined that a soft, hot core remains in the center of the moon, contrary to expectations.

Enceladus Geysers Still Unexplained

The number of geysers has topped a hundred on Saturn's overactive moon. How could they be sustained for billions of years?

Lunar Tunes: Do Impacts Ring a Bell?

By looking at current dust and craters, cosmologists think they can hear the echoes of an impact that created the moon. Is that lunar, or looney?