Io Volcanoes Go Hyperactive
August 7, 2014
The volcanoes on Jupiter's moon are bursting out at record rates, and nobody knows why. Is it the new normal?
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Rosetta and the Stone
August 6, 2014
A historic comet rendezvous mission begins today after ten years in space.
Saturn's F-Ring Has Quieted Down
August 4, 2014
Comparing measurements over 25 years, planetary scientists have noted a drop in bright clumps in Saturn's tenuous F-ring.
Enceladus Geysers Still Unexplained
July 31, 2014
The number of geysers has topped a hundred on Saturn's overactive moon. How could they be sustained for billions of years?
Reality Check: Favored Planet Theory Dries Up
July 26, 2014
Three "hot Jupiters" sing "how dry I am," casting serious doubt on the leading theory of planet formation.
Start Over: The Evolution of Planets Is All Wrong
July 5, 2014
Ideas about planetary evolution are so far off base with observations of exoplanets, it's time to wipe the slate clean.
Inflation Concocted to Avoid a Young, Perfect Universe
July 1, 2014
Alan Guth concocted inflation theory in 1980 to avoid evidence for a 10,000-year-old universe. For his wild, evidence-free speculation, he may win a Nobel Prize.
Archive Classic: State of the Cosmos 2005: Alan Guth Explains Inflation
July 1, 2014
As Alan Guth rises to prominence this year for his inflation proposal, it might be useful for readers to see what he said about it in 2005.
Existence of Universe Is Highly Improbable
June 30, 2014
Theologians might rightly celebrate a recognition by cosmologists that the universe is so finely-tuned, it shouldn't exist.
Light Speed Implications Are Staggering
June 27, 2014
A new paper revises the speed of light. This could change everything in the universe.
Cosmic Inflation Proof Is on the Ropes
June 24, 2014
The highly-acclaimed evidence of inflation theory announced in March may only be a signal from local dust.
Keeping Titan Old
June 21, 2014
As the Cassini orbiter makes its 103rd close pass by Titan, have long-agers found ways to keep it billions of years old?
Beware of Misinterpreting Water Claims
June 16, 2014
A claim of vast reservoirs of water deep in the earth is based on indirect evidence, and likely has little or nothing to do with surface water or floods.
Galaxy Evolution Problem: A Case Study in Criticizing Paradigms
June 14, 2014
"When you have a clear contradiction like this, you ought to focus on it," say scientists who found problems with the leading theory of galaxy evolution.
Lunar Tunes: Do Impacts Ring a Bell?
June 12, 2014
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?