The first animal genus defined purely by genetic characters represents a new era for the sorting and naming of animals
If you have ever wondered why your cat behaves the way it does, wonder no more
Frances Arnold, George Smith and Gregory Winter shared the 2018 Nobel Prize in Chemistry for using evolutionary principles to create highly efficient enzymes and antibodies, with numerous practical applications.
The magnitude 7.5 earthquake that touched off the tsunami occurred amid a complex puzzle of tectonic plates
Where humans migrate, mammals become smaller
Frances H. Arnold, George P. Smith and Gregory P. Winter share the 2018 chemistry Nobel for developing evolutionary-based techniques that lead to the creation of new chemical entities with useful properties.
An aerial laser scan of more than 800 square miles of Guatemalan jungle revealed Maya buildings, canals, roads and bridges. Christopher Intagliata reports.
Breweries, warehouses and waste facilities sometimes turn to cats for rat control—but do they really help?
Half-billion-year-old fossils reveal new details about one of the most mysterious chapters in Earth’s history
The marine mammals have extraordinarily sensitive touch—which helps them nab prey in the absence of other sensory cues. Christopher Intagliata reports.
A mutation in a key gene may have endowed humans with superior endurance—allowing them to compete better with other animals on the savanna. Christopher Intagliata reports.
Communication with the placenta is key to ensuring body parts grow at the same rate
Microbes thrived on ancient Earth, even with very little oxygen
An ancient Arctic site suggests a complex relationship between humans and canines
The hammerhead relatives consume copious amounts of sea grass, and have the digestive machinery to process it—making them true omnivores. Christopher Intagliata reports.
When Hurricane Irma blew through the Turks and Caicos, lizards with shorter hindlimbs lucked out. Jason G. Goldman reports.
Senior Editor Gary Stix talks about the September special issue of Scientific American, devoted to the science of being human. And Brown University evolutionary biologist Ken Miller discusses human chromosome 2 and what it tells us about us.
Like hyenas, the ancient canines apparently ate their food bones and all
A new experiment suggests our picture of the so-called Ediacarans may be incomplete