Moon Losing Its Water
April 24, 2019
The moon loses more water than it receives from the solar wind or meteorites. How long has that been going on?
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.
Of Molecules and Men
September 27, 2014
Atoms and molecules are tiny but can have a big influence on the habitability of planets and astrobiologists' theories about them.