Bacteria Quote by Robert Jastrow

“There is strong geological evidence that the period from 380 million to 365 million years ago is the critical time. The younger rocks in…

— Neil Shubin

Seeing every height crowned with its crater, and the boundaries of most of the lava-streams still distinct, we are led to believe that within…

— Charles Darwin

Sometime in the first billion years, life appeared on the earth's surface. Slowly, the fossil record indicates, living organisms climbed the ladder from simple…

— Robert Jastrow

“If you imagine the 4,500-bilion-odd years of Earth's history compressed into a normal earthly day, then life begins very early, about 4 A.M., with…

— Bill Bryson

“Life, in short, just wants to be. But—and here’s an interesting point—for the most part it doesn’t want to be much. This is perhaps…

— Bill Bryson

Every creature alive on the earth today represents an unbroken line of life that stretches back to the first primitive organism to appear on…

— George Wald

Take the entire 4.5-billion-year history of the earth and scale it down to a single year, with January 1 being the origin of the…

— Neil Shubin

If the age of the Earth were a calendar year and today were a breath before midnight on New Year's Eve, we showed up…

— Janine Benyus

“The oldest many-celled fossil is over 600 million years old. The earliest fossil with a three-boned middle ear is less than 200 million years…

— Neil Shubin

Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion.

— Robert Duncan

“As the floodwaters advanced during the global Flood, humans would have fled to higher ground, swam, or held on to floating debris for as…

— Ken Ham

The sand stones had fragments of charcoal on some surfaces but found no recognisable fossils.

— George Mercer Dawson