1,929 results
- Paleontology
Twice upon a Time
New fossil finds suggest that the complex features of mammals originated earlier than previously thought and might even have evolved independently in different mammalian lineages.
- Animals
Built for Speed
Animals would prove fierce competitors at the Olympics — if only they would stay in their lanes.
- Earth
Hot, Hotter, Hot: Climate seesawed during dinosaur age
The climate during the time of the dinosaurs varied far more than scientists had previously thought.
- Paleontology
Society sans frills
The discovery of the fossils of several young dinosaurs in one small space suggests that the members of one dinosaur group evolved complex social behaviors millions of years earlier than previously suspected.
- Paleontology
Back from the Dead?
The long-term disappearance of creatures from the fossil record and their later reemergence can provide insights into ancient environmental conditions and the trustworthiness of the fossil record itself.
- Paleontology
Ancient Extract: T. rex fossil yields recognizable protein
New analyses of a Tyrannosaurus rex leg bone reveal substantial remnants of proteins that strengthen the link between modern birds and dinosaurs.
- Humans
From the August 14, 1937, issue
Trees inspire a new kind of architectural support, a university sophomore finds the first mosasaur fossil west of the Rockies, and an oilman scoffs at fears over increasing atmospheric carbon dioxide due to industrial activity.
- Paleontology
Dinosaur neck size reaches new extreme
Scientists have unearthed remains of a massive, plant-eating dinosaur whose neck may have been twice as long as its body.
- Humans
Science News of the Year 2007
A review of important scientific achievements reported in Science News during the past year.
- Paleontology
Dinosaurs!
The Smithsonian Institution’s dinosaur Web site tells the story of the National Museum of Natural History’s collections, research, and staff. Visitors not only learn about the early history of these well-known dinosaur collections but also get a chance to participate in a virtual dinosaur discovery, click through an interactive “Tree of Life” highlighting milestones in […]
- Paleontology
Rarity of fossils of young tyrannosaurs explained
Paleontologists have unearthed only a few juvenile tyrannosaurs, and a new study suggests why: A large percentage of these meat-eating dinosaurs, unlike many other creatures, survived into adulthood.
- Humans
Letters from the December 2, 2006, issue of Science News
Concerns vented “Venting Concerns: Exploring and protecting deep-sea communities” (SN: 10/7/06, p. 232) barely scratches the surface of the problem. What is stopping someone from gene splicing the disease of choice onto heat-loving bacterium? Something that can live near the 600°F of melting lead will certainly survive the standard hospital-sterilization process. D.J. KavaBeaumont, Texas The […]
