LifeWhy haven't we heard from aliens? There is a reason for the silence The search for extraterrestrial intelligence has been going on for 60 years without success. Given the hurdles to interstellar communication, that's just a blink of an eye Features
SpaceMicrobes burping methane on Mars may be right next to NASA rover Something just a few dozen kilometres from NASA’s Curiosity rover seems to be generating methane – a finding with potential implications in the continuing search for life on Mars News