Christopher D. Impey, Distinguished Professor, Astronomy/Steward Observatory, The University of Arizona. Presented March 8, 2011. Our reconstruction of the chronology of events that led to...
Journey deep inside the Canadian shield as we visit Slave Craton, an ancient crustal remnant from the Eoarchean erathem. Our journey starts in Yellowknife, Northwest...
Complete video at: fora.tv Photographer Rachel Sussman presents an image of what is most likely the oldest living thing on planet Earth: a specimen of...
Göbekli Tepe is the oldest known man-made religious structure.The site, located on a hilltop, contains 20 round structures which had been buried, four of which...