An extended family in that South American country has a devastating genetic variant that triggers early-onset dementia. "They get Alzheimer's at age 45 like clockwork," said Kosik, a professor of ...

In the heart of the Colombian Amazon, the towering mountains of the Serranía del Chiribiquete harbor secrets including South ...

The Sinú River in northwestern Colombia is a kind of bloodstream from which life emanates. Its heart lies within Paramillo ...

In a new book, the Pulitzer Prize winner Greg Grandin tells the history of the hemisphere from south of the border.