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.
Lunar Upsets Challenge Paradigms
January 27, 2012
Forty years after the last moonwalkers came home, new discoveries about the moon are calling into question what scientists know about our celestial partner. But is it legitimate for scientists to invoke mystery forces when a favored theory faces falsifying evidence?