More Challenges to Astrobiology
May 26, 2016
There aren't likely as many places to live outside of Earth as earlier hoped.
Life from Sun Flares?
May 23, 2016
A NASA scientist proposes that a period of superflares on the early sun zapped life into existence on the earth.
Titan Ethane Still Missing, and Other Planetary Puzzles
May 7, 2016
We update the problem of Titan's missing ethane and other challenges to billions of years.
Updates from Outer Planets
January 9, 2016
Let's review some of the latest news from missions to the outer planets.
Entropy in Space Seen at All Scales
October 22, 2015
Entropy at all scales: clearly seen. Creation of order: not so much.
Pounding Headaches for Solar System Dates
October 19, 2015
It's hard to tell when things crashed into each other.
Confusing Building Blocks with Life
September 4, 2015
Astrobiologists and their uncritical reporters continue to commit a logical fallacy regarding necessary and sufficient conditions.
Pluto Is Young
July 15, 2015
The New Horizons science team is stunned by surface features on Pluto and its large moon Charon that cannot be billions of years old.
Desperately Seeking Life Beyond Earth
July 7, 2015
Earth life cannot be unique. How about you, Mars? Europa, anything? Enceladus? Comet 67P? Please break the silence!
It's Curtains for Enceladus
May 11, 2015
The geysers of Saturn's little moon are like sheets instead of jets, spelling trouble for theories of its ancient age and possible life.
Water Worlds Tempt with Life, Not Youth
March 13, 2015
More and more planets and moons are suspected of having liquid water, but what should be the logical implications?
Darwin's Land of Make-Believe
February 14, 2015
Darwin supporters use cartoons and rap music to push their message to humans—and aliens.
Of Planets and People
September 29, 2014
Here's a quick tour of the planets to see what's newsworthy.
Planets Don't Fit Evolutionary Models
September 8, 2014
Secular planetary scientists are surprised by almost every object they observe in the solar system. Their models cannot reproduce our system of planets.
New Ways to Find E.T.
August 11, 2014
SETI researchers may not have to wait by the stellar radio dial for their imaginary friends to call in. They might eavesdrop on their pollution.