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Late Heavy Bombardment

Ancient Earth's 'Face-Lift' Detailed In New Model

LiveScience | Becky Oskin | Posted 07.31.2014 | Science

Earth got a "face-lift" early in its history, wiping out most of its original crust, according to a new model of the ancient barrage of asteroids ca...

Ancient Asteroid Barrage Lasted HOW Long?

Posted 04.26.2012 | Science

By: Charles Q. Choi Published: 04/25/2012 01:22 PM EDT on SPACE.com A giant ancient barrage of asteroids striking Earth may have lasted much lon...

A New View of the Early Earth, Thanks to Australian Rocks

nytimes.com | KENNETH CHANG | Posted 05.25.2011 | Home

The first 700 million years of Earth's 4.5-billion-year existence are known as the Hadean period, after Hades, or, to shed the ancient Greek name, Hel...