New Content
By created date
Articles, Reference, and WWB Research: Stories, Quotes, & FAQs.
New material for the current and future TST Weekly Columns.
New material for the current and future TST Weekly Columns.
Science
Story
Tyrannosaurus Rex
Lived from 69 to 66 million years ago.
Dinosaur Evolution
T. rex lived in western North America about 69 to 66 million years ago. All dinosaurs, except potentially three lines of bires, went extinct 66 million years ago, when the Chicxulub asteroid hit.
Mon 16 Mar 2026
(5 hours ago)
Updated 5 hours ago.
Science
Story
Proceratosaurus (T.Rex ancestor)
Lived from 169 to 164 million years ago.
Not a bird ancestor, but part of the theropod mix.
Dinosaur Evolution
Proceratosaurus had the same general tyrannosaur-style look: a big head, long tail, strong hind legs, short forelimbs, and a built-for-biting predator shape: D-shaped front teeth and a crest on top of the skull.
Mon 16 Mar 2026
(6 hours ago)
Updated 6 hours ago.
Science
Story
Dinosauria Emerge: True Dinosaurs!
238 Million years ago (+/- 5 million)
Fully open hip socket (perforated acetabulum)
Dinosaur Evolution
Before the famous branches split into predators, long-necks, horned giants, and birds, there was one early ancestral species. One population eventually led to all dinosaurs: Allosaurus, Styracosaurus, and Diplodocus.
Mon 16 Mar 2026
(6 hours ago)
Updated 6 hours ago.
Sun 15 Mar 2026
(24 hours ago)
Updated 23 hours ago.
Sun 15 Mar 2026
(24 hours ago)
Updated 23 hours ago.
Science
Story
Bashanosaurus primitivus
~168 million years ago.
Stegosaurus ancestor
Bashanosaurus primitivus is one of the earliest known stegosaurs and a strong candidate for representing an early form close to the ancestry of later plated dinosaurs like Stegosaurus.
Sun 15 Mar 2026
(24 hours ago)
Updated 24 hours ago.
Science
Story
Stegosaurus
Lived 152 to 145 million years ago.
Dinosaur Evolution
Stegosaurus is the classic plated dinosaur most people picture: large back plates, a small head, and a spiked tail used for defense. It lived late in the Jurassic.
Sun 15 Mar 2026
(24 hours ago)
Updated 24 hours ago.
Science
Story
Neoaves Birds Emerge (from Neognathae)
~78 Million years ago (+/- 4 million).
Led to common birds: crows, sparrows, robins, hawks, owls, hummingbirds, etc.
Bird Evolution
Neoaves is the enormous living bird branch that includes all birds that are not part of the ostrich-tinamou branch and not part of the duck-chicken branch.
Sun 15 Mar 2026
(1 day ago)
Updated 23 hours ago.
Science
Story
Galloanserae Birds Emerge (from Neognathae)
~80 Million years ago (+/- 8 million).
Fowl: chickens, turkeys, pheasants, ducks, etc.
Bird Evolution
Galloanserae is the living bird branch that includes landfowl and waterfowl: chickens, turkeys, pheasants, ducks, geese, and swans.
Sun 15 Mar 2026
(1 day ago)
Updated 23 hours ago.
Science
Story
Palaeognathae Birds Emerge
~85 Million years ago (+/- 10 million).
Ground birds: ostriches, emus, tinamous, etc.
Bird Evolution
Palaeognathae is the living bird branch that includes ostriches, emus, cassowaries, rheas, kiwis, and tinamous.
Sun 15 Mar 2026
(1 day ago)
Updated 23 hours ago.
Science
Story
Neornithes (Crown Birds) emerge
~90 Million years ago (+/- 10 million).
Bird Evolution
Three branches of modern birds evolved from within neornithes: Struthio camelus (the ostrich), Gallus gallus (chickens), and Passer domesticus (the house sparrow is a good one).
Sun 15 Mar 2026
(1 day ago)
Updated 23 hours ago.
Sun 15 Mar 2026
(1 day ago)
Updated 23 hours ago.