A new study has identified the smallest species of fanged frogs in Southeast Asia, with unique characteristics such as terrestrial egg-laying and male egg guarding.…
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The fossil that was originally interpreted to be a plant, but researchers have now discovered is the inside of the shell of a baby turtle.…
Ants are one of the most prevalent insects on Earth, with over 14,000 species and an estimated population of over four quadrillion. In a recent…
Grávalos inside an ancient Recuay household at the archaeological site of Jecosh in Ancash, Peru. Recuay was one of the local cultures with whom Wari…
A ceramic vessel from the Moche region of northern Peru with Wari-influenced pigments and decoration techniques. Credit: Photo courtesy of the Field Museum anthropology collections…
The shared central plaza of Monte Alban, a city that lasted for more than 1,300 years. Credit: Linda M. Nicholas Cities often have vastly different…
An adult zebra shark at Shedd Aquarium’s Wild Reef exhibit. Credit: ©Shedd Aquarium/Brenna Hernandez Asexual reproduction is prevalent among animals such as starfish, deep-sea worms,…
The researchers with their 16.7-pound find. White helmet: Maria Schönbächler. Green helmet: Maria Valdes. Black helmet: Ryoga Maeda. Orange helmet: Vinciane Debaille. Credit: Photo courtesy…
Whatcheeria was a prehistoric superpredator. It was a six-foot-long lake-dwelling creature with a salamander-like body and a long, narrow head. Credit: Adrienne Stroup, Field Museum…
Schematic drawing of a subset of the animals that were investigated as part of the research. Metabolic rates and resulting thermophysiological strategies are color-coded, orange…
The bright orange flowers of the Ecuadorian cloud forest herb Gasteranthus extinctus, long believed to have gone extinct, light up the forest understory as if…
Spinosaurus, the longest predatory dinosaur known, is opening its elongate jaws, studded with conical teeth, to catch a sawskate. Contrary to previous suggestions, this animal…
An illustration showing the newly discovered fossil birds (Meemannavis the larger one on the left in the center foreground, and Brevidentavis open-mouthed on the right).…
The “ray gun” instrument, a spectroradiometer. Credit: Courtesy of Lance Stasinski In Star Trek, characters carry a little handheld device called a tricorder that they can…
A specimen of a leaf and tiny orange fruit from the mystery plant. Credit: Patricia Álvarez-Loayza “Mystery plant” from the Amazon declared a new species…
A Kirtland’s Warbler in Michigan. Credit: Nathan W. Cooper The trillions of bacteria living in our guts play a crucial role in our ability to…
A spotted skunk doing its signature handstand. Credit: (c) Jerry W. Dragoo Redesignating an endangered subspecies as a separate species could help it get protected.…
A Natal long-fingered bat (Miniopterus natalensis) parasitized by a male bat fly (Penicillidia fulvida) on the wall of a diatomite mine in Nakuru, Kenya. Credit:…
The 93-year-old Xerces blue butterfly specimen used in this study. Credit: Field Museum The Xerces blue butterfly was last seen flapping its iridescent periwinkle wings…
An illustration showing Lystrosaurus during the end-Permian mass extinction. Credit: Gina Viglietti Our planet’s worst mass extinction event happened 252 million years ago when massive…