More than four decades after a teenager was murdered in California, DNA found on a discarded cigarette has helped authorities ...

Investigators in the Nancy Guthrie case have turned to genetic genealogy as they try to make the most of potential DNA ...

A Purdue University digital forestry team has created a computational tool to obtain and analyze urban tree inventories on ...

Despite decades of industrial deposition, nitrogen availability in the boreal forest is steadily declining. In a new study published in Nature, researchers from the Swedish University of Agricultural ...

Farmers in southeastern Arizona are preparing for new state-mandated water cuts to address a dwindling groundwater supply.

Federal agents were staking out a Linda Vista apartment complex one morning last summer when they spotted the man they were ...

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their environments, providing insights into the evolution of the distinct upright postures ...

Authorities trying to solve the disappearance of Nancy Guthrie say they might tap DNA genealogy databases, the same step that police took to unravel a decades-old series of murders in California ...

When a homicide detective in California’s Central Valley last year reopened the investigation into the unsolved killing of a bakery owner, she turned to an increasingly popular forensic tool credited ...