Eos

Summer could be earthquake season on Mars

InSight data hint that shifting carbon dioxide ice loads, illumination changes, or solar tides could drive an uptick in marsquakes during northern summer—a “marsquake season.”

Desert life conjures organic carbon from thin air

Without water, photosynthesis shuts down. To survive dry spells, desert microbes scavenge traces of hydrogen from the air and burn it for energy. Some even use hydrogen to fuel carbon fixation.