Subscribe now
View of the Field Museum of Natural History (FMNH), a large natural history museum containing the skeleton of the Tyrannosaur

Tyrannosaurus rex may actually be three separate species

1 March 2022

After analysing the teeth and thigh bones of 38 T. rex fossils, some researchers propose reclassifying them as three different species, but others are unconvinced
Visualizing inferred human ancestral lineages over time and space. Each line represents an ancestor-descendant relationship in our inferred genealogy of modern and ancient genomes. The width of a line corresponds to how many times the relationship is observed, and lines are colored on the basis of the estimated age of the ancestor.

Largest ever family tree of humanity reveals our species' history

24 February 2022

A genealogy of humans constructed from thousands of genomes gives us clues about where our species first evolved and how we spread across the world

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop