Earth Water Was Always Here
August 31, 2020
A new theory for the origin of Earth's oceans tries to make a splash again. This one says the Earth has always been wet.
Lunar Scientists Fight the Dust
July 18, 2019
This entry continues our recap of lunar science in the 50 years since Apollo 11.
Tilted Planets Throw Theories Off Kilter
November 30, 2015
An example of how data can be framed as success or failure, depending on the reporter's spin.
Solving Moon Origin Unsolves the Last Solution
April 9, 2015
The moon's origin has been "demystified," scientists are claiming. That's what they said last time.
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.
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?
Planet Theories vs. the Evidence
April 26, 2012
Planet theorists are putting up a valiant fight against new findings, but in some cases, the evidence seems to be winning.