Here's everything you need to know about the Mexican axolotl salamander — from organ regeneration and conservation efforts, to cultural mystique.

A trail leading from near St. Louis, Missouri to Natchitoches, Louisiana, teaches us about a race that ruled “the new world” long before people from “the old world” arrived.

THE length of the tropocollagen (TC) molecule is about 4.4 times that of the native collagen period (D) (refs. 1–4). The standard appearances of negatively and positively stained fibrils are ...

Desert elegance thrives in Arizona interiors with warm colors, natural textures, and timeless décor that honors the Southwest ...