Paleontology
- Paleontology
Baby dinosaurs took three to six months to hatch
Growth lines on teeth indicate a surprisingly long incubation period.
- Earth
Coastal waters were an oxygen oasis 2.3 billion years ago
Coastal waters contained enough oxygen to support complex life-forms including some animals hundreds of millions of years before fossils of such life first appear.
- Paleontology
Ancient oddball invertebrate finds its place on the tree of life
Ancient marine invertebrates called hyoliths may be more closely related to modern horseshoe worms than mollusks, a fossil analysis finds.
- Paleontology
Readers weigh in on dinos, dark matter and more
Ancient bird calls, the search for dark matter and more in reader feedback.
- Paleontology
Tomatillo fossil is oldest nightshade plant
Two 52-million-year-old tomatillo fossils in Patagonia push the origin of nightshade plants back millions of years, to the time when dinosaurs roamed.
- Earth
Fossil microbes show how some life bounced back after dino-killing impact
Pioneering microbes colonized the waters above the Chicxulub crater within hundreds of years following the impact, new research shows.
- Paleontology
Dinosaur tail preserved in amber, with feathers
The tail of a dinosaur trapped in amber includes both feathers and identifiable bits of bone.
- Paleontology
Cretaceous bird find holds new color clue
New molecular clues in 130-million-year-old bird fossil could help paleontologists firm up case for ancient color in dinosaurs.
- Paleontology
Dinosaurs may have used color as camouflage
Fossilized pigments could paint a vivid picture of a dinosaur’s life.
- Paleontology
Dragon dinosaur met a muddy end
‘Mud dragon’ fossil discovered in China suggests that dinosaurs’ last days were an active time of evolution.
- Paleontology
First known fossilized dinosaur brain unearthed, scientists claim
A dinosaur fossil that preserves brain tissue has been discovered for the first time, researchers announce.
- Paleontology
Picture of primate common ancestor coming into focus
A new family tree analysis predicts behavior of primate common ancestor.
