Researchers have discovered that the North American continent is slowly losing rock from its underside in a process called "cratonic dripping." This is caused by the remnants of the Farallon Plate, an ...

Correction: an earlier version of this story misstated the number of years that Native Americans have lived on the continent. The correct number is 16,000. Monday marks a holiday in transition, as ...

Aim: Geographic gradients in species richness have been traditionally attributed to variation in environmental conditions. However, untangling the importance of human activities in explaining spatial ...

V.l.n.r.: Vicente Salas Hesselbach (Managing Director, ITB Americas), Gustavo Staufert (Generaldirektor, Guadalajara Convention and Visitors Bureau), Michelle Fridman Hirsch (Generalsekretärin des ...