Articles written specifically for the GLP or the articles that are reposted from other sources (sometimes in modified form) with permission list the source as Genetic Literacy Project. Excerpted articles list the original media outlet as the source. Excerpts are posted under guidelines for Fair Use and Creative Commons for educational nonprofits (501c3). The GLP’s Fair Use policy for posting excerpts and using images is explained here.

Researchers say Y chromosome traces back to the time of Mitochondrial Eve or before

Science News | 
The largest analyses to date of the human Y chromosome suggest that modern men can trace their family tree further ...