A team of researchers used radioisotope analysis to document erosion rates in the Andes Mountains of Argentina.

Findings from the 2,000-year-old Uluburun shipwreck reveal a complex trade network involving communities of highlander pastoralists.

Researchers tracked African dust plumes that made their way to Houston, Texas.

Researchers have detected the world’s lightest magnesium. "It's pretty exciting. It's not every day people discover a new isotope.”

A new tracing method could fill in historical gaps by getting information from cremated human remains in buried urns.

A new study suggest's that Earth's core has been leaking iron, potentially for billions of years.

A new tool can spot contamination from coal fly ash. "Our hope is that this new tracer...will help us provide greater protection to communities at risk."

Physicists report the first direct observation of two-neutrino double electron capture for xenon 124, the process it uses to decay.