In several previous articles I have been describing some of the great planetary upheavals that have occurred in the recent geological past that had a profound effect on humankind. I related how in the aftermath of thousands of years of the Great Winter, its catastrophic termination and the traumatic birth of the present world age, Earth’s environment shifted into a […]

I wrote last month about the enormous changes that engulfed the Earth at the close of the last great ice age. I discussed the “double whammy” that knocked the planet out of the grip of glacial cold and ushered in the period of interglacial warmth called the Holocene, the name given to the present geological epoch. I stated that I […]

As this article is going to press, yet another near miss of an asteroid has occurred accompanied by an apparent meteor strike. On Sunday, September 7, as asteroid 2014 RC was zooming by Earth at less than one tenth the distance to the Moon, what appears to be a meteorite struck the Earth blasting out a crater some 40 feet […]