LifeThese eerie rock towers may have been built by microorganisms Rock “chimneys” twice as tall as a person that tower above a lake in California may have been built, in part, by microorganisms 51
LifeWeird Antarctic ice may explain how life endured on frozen Earth A strange discovery, made by polar explorer Robert Scott a century ago, might explain how complex life survived when the planet froze over into “Snowball Earth” 51