Over his 34 years in prison, Shawn Tanner always maintained he was not guilty of murder, insisting on his innocence right up until his death in 2022. Now a years-long legal battle will grant his final ...

Cyanobacteria—ancient microbes that oxygenated Earth and made complex life possible—are still revealing surprises billions of years later. Scientists have now discovered that a molecular system once ...

Humans migrated to South America in three distinct waves over the course of thousands of years, a new large-scale analysis of Indigenous Americans' DNA reveals. The investigation also found that genes ...