The history of the earth in the 600 million years sliding towards the present. See how the continents move across the globe. Several mass extinction...
The Earth is formed by accretion of spatial particulates and large masses and eventually formes an outer crust. Video follows with speculation of early plates...
History Channel. A look at how astronomers search for other Earth-like planets around other stars; which stars are candidates for possible discovery; and how techniques...
(February 2, 2010) David Morrison, NASA Lunar Science Institute, discusses the discovery of the cretaceous catastrophe that caused the last mass extinction and explains NASA's...
Alex Collier has been in contact with an ancient alien race. They are called the Andromedans from the constellation of Andromeda. He has had regular...
Watch this and other space videos at SpaceRip.com You can now watch this video on spacerip.com Earth's landmasses were not always what they are today....
History Channel. A look at end of the world scenarios involving killer asteroid or comet impact events, solar flare and gamma-ray bursts, and the plans...
