7,846 results
7,846 results for: Geology
- Planetary Science
The Big Picture: Cassini spies Titan’s tall mountains
A spacecraft has discovered the largest mountains known on Titan, Saturn's smog-shrouded moon.
- Earth
Earthquake Hazards
To keep up with the latest rumblings around the globe, the U.S. Geological Service offers a Web site with current earthquake data. The site also includes information about significant earthquakes of the past, megaquakes and Hollywood disaster movies, and a section for kids, which has games, puzzles, science project ideas, and more. Go to: http://earthquake.usgs.gov/
- Humans
From the January 30, 1937, issue
A new atomic gun, an old human skull, and making stronger rayon.
- Paleontology
Going Under Down Under: Early people at fault in Australian extinctions
A lengthy, newly compiled fossil record of Australian mammals bolsters the notion that humanity's arrival on the island continent led to the extinction of many large creatures there.
- Earth
Stroke of Good Fortune: A wealth of data from petrified lightning
The lumps of glass created when lightning strikes sandy ground can preserve information about ancient climate.
- Planetary Science
Signs of recent water on Mars
Pictures showing fresh deposits of bright material on two Martian gullies provide the most compelling evidence yet that water flowed on parts of the Red Planet during the last few years.
- Math
Miles from Nowhere
Scientists have developed a new technique for calculating the ecological value of road-free areas of land and representing them geometrically.
- Planetary Science
Idiosyncratic Iapetus
The strange appearance of Saturn's moon Iapetus suggests that it was frozen in shape soon after birth, providing a glimpse into conditions in the early solar system.
- Anthropology
Chimpanzee Stone Age: Finds in Africa rock prehistory of tools
Researchers have uncovered evidence of a chimpanzee stone age that started at least 4,300 years ago in West Africa.
- Humans
Venting Concerns
Scientists have developed a code of conduct to guide their research and activities at hydrothermal vents.
- Earth
Flow West, Young River: Ancient Amazon ran opposite today’s route
The forerunner of the mighty Amazon ran from east to west, a new analysis of rocks laid down by that ancient river suggests.
- Earth
Obsidian artifacts can record ancient climate
The layer of hydrated material that forms on the surface of ancient obsidian artifacts as they age can be used to estimate the temperatures that the artifacts have experienced.
