phylogeny
Dinosaur Phylogenetic Tree Shake-Up
Dinosaur Phylogenetic Tree Shake-Up
Jef Akst | Mar 24, 2017
An analysis of 74 dinosaur species leads a group of researchers to reorganize the extinct animals’ evolutionary history.
The Pangenome: Are Single Reference Genomes Dead?
The Pangenome: Are Single Reference Genomes Dead?
Catherine Offord | Dec 1, 2016
Researchers are abandoning the concept of a list of genes sequenced from a single individual, instead aiming for a way to describe all the genetic variation within a species.
Animal Microbiomes Are Unique and Beneficial to Their Hosts
Animal Microbiomes Are Unique and Beneficial to Their Hosts
Ben Andrew Henry | Nov 29, 2016
Survey of 24 animal species suggests that each hosts a custom-tailored microbiome.
Not Your Average Deer
Not Your Average Deer
Karen Zusi | Dec 4, 2015
A new fossil species helps resolve the evolutionary relationships of an extinct group of ruminants.
Repositioning Ctenophores
Repositioning Ctenophores
Karen Zusi | Dec 1, 2015
A reanalysis of phylogenetic data places sponges, rather than comb jellies, back at the base of the animal tree.
Tree of Life v1.0
Tree of Life v1.0
Jef Akst | Sep 22, 2015
Researchers map 2.3 million species in a single phylogeny. 
Scales Over Feathers
Scales Over Feathers
Amanda B. Keener | Jun 3, 2015
A comprehensive analysis of fossilized dinosaur skin samples suggests feathers were not the norm.
Mistaken Identities
Mistaken Identities
Kerry Grens | Jan 1, 2015
Researchers are working to automate the arduous task of identifying—and amending—mislabeled sequences in genetic databases.
New Species Galore
New Species Galore
Jef Akst | Dec 27, 2014
A look back at the latest microbes, plants, and animals to have secured a spot in science’s known tree of life in 2014
The Rise of Color
The Rise of Color
Jef Akst | Jul 1, 2014
An analysis of modern birds reveals that carotenoid-based plumage coloring arose several times throughout their evolutionary history, dating as far back as 66 million years ago.