Mars May Have Been Wet, But Never Lively
September 27, 2013
Astrobiologists got excited with evidence for early water on Mars, but other discoveries are putting the quash on hopes it has or had life.
Mars Radiation May Not Be That Bad
November 18, 2012
Data from the Curiosity rover's RAD instrument seem to indicate astronauts could survive radiation reaching the surface.
Hopes for Wet Mars Diminished
September 11, 2012
The clays on Mars that were thought to be indicative of a wet past could, instead, be formed by volcanoes.
Curiosity Set to Explore Mars
August 6, 2012
Having survived its nail-biting entry, descent and landing, the Curiosity rover is ready to roll on Mars.
July 29, 2011
Eruptions can come in two types: literal and figurative. Some planetary bodies are literally erupting. Others are causing figurative eruptions in theories. Here are some recent news stories about planets, moons, comets and other objects circling our sun and other stars. There hasn’t been much news from Mercury or Venus this month, so we’ll start on the home planet and work outward.