A fish created by spontaneous androgenesis is the first known vertebrate to arise naturally by this asexual reproductive phenomenon. 

Speciation and development of new traits may not always go hand-in-hand.

Standard taxonomy lumps together bird species that should be separate, a new study suggests, raising the total number of estimated species from 9,000 to 18,000.

Rick Harrison, an evolutionary biologist known for his research on speciation, has passed away at age 70.

Scientists mutate a mating pheromone and its corresponding receptor in yeast to promote speciation.

New hadrosaur uncovered in Utah hints at surprising speciation.  

Bacterial populations’ differing strategies for responding to their environment can set genetic routes to speciation.

Species in a tightly knit genus of Old World primates have evolved tell-tale facial characteristics to prevent hybridization, a study shows.

The International Institute for Species Exploration announces its picks of novel species discovered in the past year, including a carnivorous mammal, a tiny shrimp, and a fungus.

A look at 2013’s noteworthy new species