The crania of individuals who lived in the Yucatán Peninsula during the late Pleistocene show a high degree of anatomical diversity among them, and their skull shapes differ from that of other North American populations of the time.

The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.

Details of Homero Gómez González’s death are not yet known.

Scientists are pretty sure they know where the seaweed is coming from. Now they want to know why it’s here.

Scientists won’t need Andrés Manuel López Obrador’s approval to attend meetings internationally, but researchers continue to struggle amidst budget cuts.

The blue lagoons of the Cuatro Ciénegas Basin provide a glimpse into the planet’s ancient past.

In the last year, the butterfly’s eastern group has more than doubled its hibernation area while the other population waned. Plus, researchers are moving trees to save monarch habitat.

A new study reports finding corn species in Mexico that can trap nitrogen.

The Scientist looks at one such Houston-based purveyor that has been treating patients abroad for years with mesenchymal stem cells.