6,899 results
6,899 results for: Bears
- Anthropology
Fossil Sparks
Two new fossil discoveries and an analysis of ancient teeth challenge traditional assumptions about ape and human evolution.
- Astronomy
Gammas from Heaven
An orbiting gamma-ray observatory, set for launch next spring, will seek out the most violent events in the cosmos.
- Earth
Hey, What about Us?
The plight of polar bears may get most of the attention as climate change disrupts the Arctic ice, but plenty of other species, from walrus and seals to one-celled specks, are also going to see their world change radically.
- Earth
North by Northwest
The Earth's magnetic poles wander around quite a bit, a phenomenon that occasionally confounded ancient explorers but is proving useful for today's archaeologists.
- Humans
Science News of the Year 2007
A review of important scientific achievements reported in Science News during the past year.
- Archaeology
La Brea del Sur
Excavations at tar pits in Venezuela suggest that the fossils found there may rival those of the famed Rancho La Brea tar pits in Southern California.
- Archaeology
Dawn of the City
A research team has excavated huge public structures from more than 6,000 years ago in northeastern Syria, challenging the notion that the world's first cities arose in the so-called fertile crescent of what's now southern Iraq.
- 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.
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- Animals
Built for Speed
Animals would prove fierce competitors at the Olympics — if only they would stay in their lanes.
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Disaster Goes Global
The eruption in 1600 of a seemingly quiet volcano in Peru changed global climate and triggered famine as far away as Russia
