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.
Astrobiology Survives on Passionate Hope
September 3, 2018
Without the words 'might' and 'could,' astrobiologists would have nothing to say.
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.
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. […]
The Frantic Determination of Some Scientists to Discover Life Elsewhere
July 6, 2018
We often hear exciting news about 'habitable planets' that might have life, or at least the 'building blocks of life.' Are these reports based on sound thinking about the requirements?
OOL Cells Are DOA
June 21, 2018
NASA throws money at origin-of-life (OOL) studies that are doomed to failure, and at education programs to tell students that futility is good science.
NASA Titillates Public Again with Fake Mars Life
June 9, 2018
Which is worse: NASA making hyper-exaggerated claims about life on Mars over the decades, or so many media reporters falling for it each time?
Europa May Be Another Geyser Moon
May 15, 2018
A re-assessment of data from the Galileo spacecraft appears to confirm suspected eruptions from the surface of Europa, Jupiter's icy moon.
Concretions Can Form Rapidly
May 8, 2018
The spherical inclusions inside geological layers do not take millions of years to form, Japanese scientists say. Concretions are eye-catching. Varying in size from peas to cannonballs, the almost perfectly spherical balls that erode out of geological layers seem almost too perfect to be natural. Science Daily indicates that scientists, not only laypersons, are mystified […]
Mars Is Not a “Life-Friendly” Star Wars Planet
May 5, 2018
The new Mars InSight lander that launched this morning will be digging for geology, not life. Most likely, as before, it will find lifeless dirt and rock.
Astrobiology Still Has No Biology
April 11, 2018
Number of worlds beyond Earth where life has been discovered: zero. Number of optimistic articles about life in outer space: hundreds per year.
Dust a Major Problem on Non-Earth Worlds
February 28, 2018
You can't just beam down to a planet and start walking around. That dust under your feet can cause major problems.
Viruses From Distant Lands Fall from the Sky
February 21, 2018
Every day, billions of viruses are carried by high winds from continent to continent.