After Cassini, Titan Still a Problem for Long Ages
May 3, 2018
The scientist who predicted a global ocean on Titan 35 years ago is still baffled over why Cassini did not find it.
Did Earth Get Its Water from Meteor Squirt Guns?
April 28, 2018
You can't just fire bullets at pumice and claim that Earth got its oceans that way.
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.
Ceres Is Young
March 16, 2018
Dawn Mission scientists were surprised to see this asteroid (dwarf planet Ceres) with a water cycle and evidence of rapid geological changes.
Latest Moon Theory Needs an Invisible Goddess to Work
March 10, 2018
Now they say that the impactor didn't only spin off a cloud that formed the moon; it made a donut cooked up by a goddess.
Earth Magnetic Field Still Decaying
March 7, 2018
Old-earth belief tries to paper over a disturbing fact with speculative models, but 160 years of measurements show the strength of our planet's magnetic field is dropping fast.
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.
February 13, 2018
One can't fault astronomers for not knowing everything – only for pretending to. Here are some reports indicating they have a long way to go.
Space Entropy: The SpaceX Stunt as an Argument Against UFOs
February 9, 2018
A cosmic shooting gallery in space will make quick work of the racing car Elon Musk launched into space. Hint: it won't evolve into a Ferrari.
JPL Honors Explorer 1 Manager on 60th Anniversary *
January 31, 2018
Dr Henry Richter, who has contributed articles to CEH, is a VIP at NASA's 60th Anniversary celebration of America's first satellite. *Audio version included.
Can SETI Avoid Intelligent Design Implications by Rebranding?
January 25, 2018
A SETI leader thinks the label has outlived its usefulness and does not reflect what SETI scientists actually do.
Late Heavy Bombardment Myth Is Dying
January 24, 2018
A favorite tale from the Apollo era, the so-called Late Heavy Bombardment, is being bombarded itself.
Astronomical Theories Totally Wrong and Upside Down
January 12, 2018
From the planetary scale to the cosmic scale, astronomers are throwing away textbooks.
It’s Official: Saturn’s Rings Are Young
January 3, 2018
There's no stretching the truth any more. Cassini data have led all the ringmasters to the conclusion that the rings of Saturn are not billions of years old.
Video: An Interview with Dr Henry Richter
December 24, 2017
Rocket scientist Henry Richter describes how he got interested in the requirements for life on "Spacecraft Earth."