1,964 results
1,964 results for: Dinosaurs
- Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
- Paleontology
Feathered fossil still stirs debate
More than 2 years after scientists first described 120-million-year-old fossils of a feathered animal, a new analysis seems to bolster the view that the turkey-size species was a bird has-been and not a bird wanna-be.
- Paleontology
Dear Mummy: Rare fossil reveals common dinosaur’s soft tissue
A mummified dinosaur unearthed in Montana a year ago is giving scientists a rare peek at what the creature's muscles and other soft tissues may have looked like.
- Math
Whips and Dinosaur Tails
The loud crack of a deftly flicked bullwhip can certainly command attention. That distinctive noise is a small sonic boom, generated when the whip’s thin, highly flexible tip exceeds the speed of sound. Swinging a leather bullwhip’s thick, rigid handle in an arc gives the whip angular momentum. Sharply reversing the motion’s direction sends a […]
- Paleontology
Reptile remains fill in fossil record
The fossil remains of a sphenodontian, an ancient, lizardlike reptile, are helping fill a 120-million-year-old gap between this creature's ancestors and today's tuatara, sole survivors of the once prominent group.
- Paleontology
Wings Aplenty: Dinosaur species had feathered hind limbs
A team of Chinese paleontologists has discovered fossils of a small, feathered dinosaur that they say had four wings.
- Paleontology
Trackway site shows dinosaur on the go
Scientists say that a sediment-filled, bathtub-shape depression found at one of North America's most significant dinosaur trackway sites is the first recognized evidence of urination in dinosaurs.
- Paleontology
Dinosaurs, party of six, meat eating
The bones of six carnivorous dinosaurs discovered in a fossil bed in Patagonia may indicate that big, meat-eating dinosaurs were social creatures.
- Humans
Science News of the Year 2004
A review of important scientific achievements reported in Science News during the year 2004.
- Earth
Pieces of a Pulverizer? Sediment fragments may be from killer space rock
Scientists sifting sediments laid down just after Earth's most devastating mass extinction 250 million years ago may have found minuscule fragments of the extraterrestrial object that caused the catastrophe.
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19233
Good grief, I can’t believe this is a surprise that dinosaurs were cannibals. Frogs eat frogs. Rabbits eat their young. We can go on for quite a time enumerating mammals (including people), reptiles, birds, and insects that eat their own. The surprise is finding ones that aren’t cannibals. Barbara BennettPreston, Md.
- Earth
Early web-footed bird made impression
Researchers have discovered the fossil tracks of an otherwise unknown bird in 110-million-year-old sediments, which pushes back evidence of web-footed birds by at least 25 million years.
