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Much Ado About Ryugu

Uracil, a molecule found in RNA, has been reported in an asteroid. From media hype, one would think they discovered life.

Planetary Science Evolves to Fit Failed Predictions

The scientists may consider correction a benefit, but why were they so wrong for so long?

Ring Around the Theory

We all fall down, say theorists about a ring around a minor planet where it shouldn't exist.

Stars Kill Their Planets

Many stars, including sunlike stars, murder their children. Only special conditions allow for habitability.

The OOL Tease: NASA’s Ponzi Scheme

If you buy into NASA's perennial search for the origin of life, you'll lose it all. There's no collateral.

Wrong Again: Oort Cloud Fail

Dramatic clash between observation and theory leaves astronomers dumbfounded.

The Last and Lasting Footprint on the Moon

50 years ago, Harrison Schmitt left the last footprint on the moon, but he is leaving tracks of an independent thinker on Earth.

How to Keep the Solar System Old: Struggle and Hope

Keeping the consensus age of the solar system is vital to evolution, but observations keep getting in the way.

Earth Arctic Is Not Like Enceladus

NASA commits its most common logical fallacy in a press release geared to titillate the public about astrobiology.

Returning to a Young Moon

On the eve of the Artemis launch, questions about the age and formation of the moon have resurfaced.

Moon Is Too Dry for Astronauts

NASA is counting on water ice in shadowed craters on the moon, but there may be none. And there are other hazards.

Astronauts Leave Earth at Their Peril

Human bodies can survive in space for awhile. The damage adds up over time.

NASA to Fly Owls to Look for Elvis

Is an experiment a waste of time if it has almost zero possibility of success? Perhaps, but the spinoffs can be useful.

NASA Goes Loony: Moon Formed in Mere Hours?

Is it clickbait? NASA is claiming the moon formed within hours after a collision.
Cassini at Saturn

Saturn and Unobserved Events

When is it rational to invoke unobservable events to make a theory work? Here's a test case at Saturn.
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