Latest Evidence that Saturn and Its Rings Are Young
October 8, 2018
A new set of post-Cassini papers has to deal with observational facts: Saturn's rings cannot last billions of years.
Geophysics Not Rock Solid Science
October 1, 2018
With observation, instruments and models, you would think geophysics is hard science.
Ceres Looks Seriously Young
September 20, 2018
Asteroids should not be so active. This one was, and is.
Buffon or Buffoon? Evaluating a Dead Expert
September 16, 2018
He was highly regarded in his day, but the beliefs of Comte de Buffon seem comical now.
Pluto Rivals Earth in Geological Complexity
September 14, 2018
Call it what you will, Pluto is a planet of surprises. Its active geology is second only to Earth's, say two planetary scientists.
How Did Earth Get Its Phosphorus?
September 12, 2018
The element phosphorus is hard to get to a planet's surface where it is needed.
Astrobiology Survives on Passionate Hope
September 3, 2018
Without the words 'might' and 'could,' astrobiologists would have nothing to say.
Stalactite Indicates Ultrafast Magnetic Reversals
August 23, 2018
Contrary to what geophysicists have claimed for decades, magnetic reversals may occur 'ridiculously quickly.' Or is confidence in experts ridiculous?
Spacecraft Launches to Sun, Still a Mystery
August 13, 2018
A spacecraft just took off on a mission to the sun, but not to worry; it went at night.
Richter Scaling: Is Funding for Astrobiology and SETI Justified?
August 7, 2018
Should the government fleece taxpayers again for a project with almost zero chance for success? Consider two "Richter scales" that should inform hopes.
Poison Water Detected on Mars
July 26, 2018
Mars mania has struck again, with the latest announcement that a "lake" of water may exist under the red planet's polar ice cap.
Mars Is Losing Its Atmosphere Fast
July 20, 2018
Measurements of Martian atmospheric loss rates imply incredible changes over the assumed billions of years of Mars' history.
Time to Revisit the Lunar Dust Problem?
July 18, 2018
How deep should lunar dust get over billions of years? Opinions have vacillated between extremes, but a new study might open up the debate again.
Young Pluto Stuns Scientists with Astonishing Maps
July 16, 2018
New color maps score high on the Wow Factor. How can this lonely dwarf planet still be active? Its moon Charon looks young, too.
Carbon Dioxide Is Not Toxic, but The Moon Is
July 12, 2018
Too much of something can be bad, but too little can also be bad. We examine the influence of carbon dioxide in earth’s atmosphere. Scientists seem conflicted about CO2 (carbon dioxide). It gets blamed for all kinds of bad things, but with few exceptions, every living thing either takes it in or gives it off. […]