The butterfly appears to be a hybrid between two known tiger swallowtail species — P. glaucus and P. canadensis — but because ...

Losing Opens Up New Possibilities for Subsequent Gains Evolution is traditionally associated with increasing complexity and ...

In a succession of studies published this week and last month in the journals PeerJ and Zootaxa, researchers at Hawai'i ...

Biologists, using a technique that explores both genes and structural characteristics, have introduced 10 new species of marine sponge. Despite their distinction as one of Earth's oldest lifeforms and ...

dioica from different parts of the world, providing the first molecular evidence of how these rapidly evolving populations are becoming cryptic species (i.e. consisting of organisms very similar ...

An international research team of biologists confirmed the presence of Chironex yamaguchii, a dangerous species of box ...

Box jellyfishes are known for their distinctive box-like appearance and their potent venom, which can cause severe stings and ...

Researchers have confirmed the presence of a soupfin shark in the Salish Sea, an area where they were not previously thought ...