LifeAncient rock formations could be oldest fossils on the planet Rocks in Greenland that have been preserved for 3.7 billion years show evidence of microbes living in a shallow sea on early Earth News
EarthNomad’s land: Journey into the rugged heart of the SaharaThe mountainous Tibesti holds clues to a verdant past – but terrain and politics have kept scientists out. Exclusive photos show what geologists found this yearFeatures