Next, enjoy these surprising Earth Day statistics. The post Can You Answer These Basic Questions About Earth? appeared first ...

This acronym stands for the “Last Universal Common Ancestor,” which scientists believe was a tiny, and very basic, organism ... have been like on the infant Earth. The international team ...

This was a dramatic increase in the estimate of Earth's age for the time. Boltwood's basic idea and technique have been used ever since 1907, but advances in technology and knowledge of atomic ...