Paleontology
- Paleontology
La Brea Tar Pits yield exquisite Ice Age bees
Ancient bee pupae snug in leafy nest give clues to Pleistocene climate.
- Paleontology
Ancient crustacean had elaborate heart
The now-extinct Fuxianhuia protensa had a fancy cardiovascular system that sent blood to its limbs and organs, including its brain.
- Paleontology
Footprints of dino chase digitally reconstructed
Footprints of a T. rex-type dinosaur chasing an Apatosaurus-like animal have been turned into a 3-D fly-through, giving researchers a way to verify maps of the tracks drawn 70 years ago. (includes video)
- Paleontology
Sea stars sighted predators 79 million years ago
Sea stars may have evolved complex lenselike structures to detect and evade predators at least 79 million years ago.
- Paleontology
Microbes indicted in ancient mass extinction
About 252 million years ago an estimated 96 percent of all species were wiped from Earth, and now scientists have a new suspect in the killing — methane-belching microbes.
- Paleontology
Ancient oceans’ top predator was gentle filter feeder
New fossils suggest that a distant relative of lobsters used bristled limbs to net its prey, not spike it.
- Plants
Fossil fern showcases ancient chromosomes
Fossil nuclei and chromosomes seen in a 180-million-year-old fern reveals that the plants have stayed mostly the same.
- Paleontology
The dinosaur ‘chicken from hell’
Fossils suggest that a supersized chickenlike reptile called Anzu wyliei roamed what are now the Dakotas roughly 67 million years ago.
- Paleontology
Fossil whale skull hints at echolocation’s origins
Ancestors of toothed whales used echolocation as early as 34 million years ago, analysis of a new fossil skull suggests.
- Paleontology
New dino species named Europe’s top predator
At up to 10 meters long and weighing in at four to five tons, this Tyrannosaurus rex-like beast could have been the biggest predator to ever roam Europe and among the largest dinosaurs to walk Earth during the late Jurassic period.
- Animals
Algal blooms created ancient whale graveyard
Whales and other marine mammals died at sea and were buried on a tidal flat in what's now in the Atacama Desert in Chile.
- Animals
A weighted butt gives chickens a dinosaur strut
Scientists put wooden tails on chickens to learn how small feathered dinosaurs moved, with results captured on video.
