Science Friday Initiative
Science Friday: Mars Water
Although it's been years since the first publications of signs of water on Mars, support for the idea of lots of liquid water in the planet's past keeps coming in.
Science Friday Initiative
Science Friday: Methane on Mars
This week astronomers reported finding gaseous methane in the Martian atmosphere.
Science Friday Initiative
Science Friday: Scientists Spot Signs of Salty Water on Mars
Are temporary streaks on Martian hillsides a sign of salty water?
Science Friday Initiative
Science Friday: The Moon May Be Wetter Than We Thought
There's new data on the Moon, from crystals collected during the Apollo 17 mission.
Science Friday Initiative
Science Friday: Martian Lab Made in Manhattan
What's it like to build tools for Curiosity? Intense.