It helps to put it on a more fathomable scale. Watch to see where Earth's major events would fall on a timeline stretching across the US. Produced by Alex Kuzoian Follow BI Video: On Facebook More ...

Martin models the evolution of life on Earth in a few minutes using the visual aid of a walk through timeline. From 4.6 billion years ago when the Earth was red hot, the timeline illustrates the ...

Such reversals in the Earth's magnetic field ... For the foreseeable future, it should work as advertised.—Peter Tyson ...