1,964 results
1,964 results for: Dinosaurs
- Life
Dinosaur day care dads
A new study shows some male dinosaurs may have been the primary caretakers of their young.
- Earth
Darwinopterus points to chunky evolution
A newly discovered pterosaur had the legs of its ancestors and the head of its descendants.
- Life
Dinosaur fossil reveals creature of a different feather
Paleontologists have discovered a fossil partially covered with broad, unbranched filaments — a type of structure previously theorized to exist on primitive feathered dinosaurs but not found until now.
- Paleontology
Soft tissue from a dino fossil
Researchers have uncovered soft tissue and fragments of several proteins from a hadrosaur.
- Paleontology
Dino feathers may have had earlier origin than thought
Researchers report that newly described dinosaur fossils suggest an ancient origin of feathers.
- Life
Dino-era delivery at sea
Genetic determination of gender is linked to live birth and evolutionary success of ancient marine reptiles, study finds.
- Earth
Unicorn fly of the Cretaceous
An ancient fly discovered trapped in amber sports a horn atop its head and topped with three eyes.
- Earth
North America’s smallest dino predator
A new fossil analysis uncovers what may have been North America’s tiniest dino predator.
- Earth
Phytoliths as climate clues
Tiny silica plant structures from soil could track temperature changes.
- Life
Elephant legs bend like ‘big human limb’
Mechanics suggests the creatures are more limber than thought and use all their legs to come to a four-way stop.
- Paleontology
King of the ancient seas
Paleontologists discover fossilized skeleton of bus-sized marine reptile that had teeth with serrated edges.
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Letters
Plan for a long stay Lawrence Krauss’ idea of staying permanently on Mars (SN: 10/10/09, p.4) is fascinating, but criticism by John F. Fay and Jeffry Mueller (Feedback, SN: 11/21/09 p.29) missed important information. Krauss too missed the best of all scientific comparisons. Regarding the travel to the American continent by the Pilgrims: the “capital […]
