MS-LS4-2
Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships.
- Fossils
Let’s learn about pterosaurs
These ancient flying reptiles were not dinosaurs, but they were close relatives.
- Fossils
Sprinting reptiles may have been forerunners of soaring pterosaurs
A new analysis of an old fossil supports the idea that winged pterosaurs evolved from swift and tiny two-legged ancestors.
- Health & Medicine
Examining Neandertal and Denisovan DNA wins a 2022 Nobel Prize
Svante Pääbo figured out how to examine the genetic material from these hominid ‘cousins’ of modern humans.
- Fossils
Ancient ‘ManBearPig’ mammal lived fast — and died young
Developing in the womb for a while — but being born ready to take on the world — may have helped post-dinosaur mammals rise to dominance.
- Fossils
This big dino had tiny arms before T. rex made them cool
A predecessor to Tyrannosaurus rex, Meraxes gigas had a giant head. But the muscularity of its puny arms suggests those limbs served some purpose.
- Microbes
This giant bacterium lives up to its name
The newly discovered Thiomargarita magnifica is about the size of your eyelash and is surprisingly complex.
- Fossils
Bright-colored feathers may have topped pterosaurs’ heads
Fossil remains of a flying reptile hint that their vibrant crests may have originated 250 million years ago in a common ancestor with dinosaurs.
- Fossils
Cool Jobs: Bringing paleontology to the people
From museums to movies, these three paleontologists totally rock their connections with the public.
- Animals
Scientists Say: Primate
Primates are mammals that tend to have big brains, forward-facing vision, fingernails and flexible hands and feet.
- Archaeology
Our species may have reached Europe while Neandertals were there
Archaeological finds from an ancient French rock-shelter show periodic settlements by both populations, just not at the same time.
- Animals
Mysterious kunga is the oldest known human-bred hybrid animal
People bred these animals — part donkey, part wild ass — some 4,500 years ago, probably for use in fighting wars.
- Animals
Scientists discover the first true millipede
The newfound deep-living species tunnels belowground using a whopping 1,306 legs!
