early life
Ancient Microfossils May be Earliest Signs of Life
Ancient Microfossils May be Earliest Signs of Life
Diana Kwon | Mar 2, 2017
Researchers find what appear to be 3.77 billion-year-old hints of microbial life hidden in Canadian rocks, but some scientists are not convinced.
Pondering Photosynthesis
Pondering Photosynthesis
Tracy Vence | Sep 30, 2013
New research uncovers previously unappreciated insights into the evolution of the well-studied energy-producing process.
Book Excerpt from <em>Cosmic Apprentice</em>
Book Excerpt from Cosmic Apprentice
Dorion Sagan | Aug 1, 2013
In Chapter 9, “Life Gave Earth the Blues,” author Dorion Sagan addresses the planet’s exuberant color palette, evoking the contribution of industrious microbes.