When Curiosity goes looking for organic molecules in Mars's solid surface, it vaporizes a rock sample and sniffs the gas that comes out. The plan could be going awry thanks to a pesky little mineral called jarosite.
Prior to going into hibernation mode, the Philae lander hurriedly conducted a number of experiments and sent its findings back to Earth. Preliminary analysis shows that the icy and dust-covered comet contains organic molecules. It's a cool discovery, no doubt, but one that shouldn't be exaggerated in terms of its…
About 4.4 billion years ago, a Mars-sized planet crashed into Earth. This cataclysmic event actually made Earth melt, and the fallout from the collision became the Moon. So how did Earth's earliest organic molecules hang on during these apocalyptic times?