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When Mars Global Surveyor began mapping Mars in sharp detail early in 1999, it disclosed startling evidence that water has shaped martian landforms within the past 10 million years. It confirms the idea that internal heat periodically triggers short-term warmer and wetter conditions - conditions conducive to life - in the global martian hydrological cycle, UA Regents' Professor Victor R. Baker says in a review in Nature July 12.
The Arizona Solar Racing Team is racing its solar-powered car "Monsoon" over historic Route 66 -- more than 2,000 miles from Chicago to LA -- in the 2001 American Solar Challenge. Faculty adviser Dunbar Birnie has the daily updates.
George H. Atkinson, professor of chemistry and optical sciences, is the first to go to Washington, D.C., in a new post created to give U.S. foreign policy makers greater access to sound scientific and technological expertise.
Astronomers have discovered 12 more moons around Saturn - and evidence that these were once just 3 or 4 moons, orbiting the planet like all regular saturnian moons do today.
In their new study of desert-dwelling fruit flies, L. Lacey Knowles and Therese A. Markow have discovered that differences among populations are driven by an arms race between the sexes.
Astronomers from Lowell Observatory, the Massachusetts Institute of Technology, and the Large Binocular Telescope Observatory have found an icy planetary body orbiting the sun beyond Neptune in the Kuiper Belt roughly equal in size to Pluto's moon Charon.
Arizona Solar Racing Team students will race their solar-powered car "Monsoon" over historic Route 66 -- more than 2,000 miles from Chicago to LA -- July 15 - 25 in the 2001 American Solar Challenge. Track their progress on the web at http://www.solarcar.arizona.edu
John G. Hildebrand and Robert C.Kennicutt have been elected to the American Academy of Arts and Sciences, an international learned society composed of the world's leading scientists, scholars, artists, business people and public leaders. Both say it tops the list of honors in their careers - and their lists are long.
Physicists this week announced they have discovered that neutrinos have mass - thereby solving a 30-year enigma but prompting further questions, UA physicists say
A UA scientist's proposed Mars Atmospheric Constellation Observatory (MACO) is among 10 mission concepts selected for further study under the Mars Scout mission program, NASA announced today.