The site where NASA’s Mars rover Curiosity landed last year contains at least one lake that would have been perfectly suited for colonies of simple, rock-eating microbes found in caves and hydrothermal vents on Earth.
To avoid contaminating Mars with microbes from Earth, space agencies go through great expense to sanitize missions to Mars -- why bother? Continue reading →
Forget hunting for organic chemistry inside rocks on Mars or complex organisms in Europa's sub-surface oceans, the Cosmos has just FedEx'd some extraterrestrials direct to our door! Or not. ->
Fossilized alien microbes have been discovered in a sample extracted from a meteorite, according to research carried out by a NASA/Marshall Space Flight Center astrobiologist.