UA scientists have found convincing evidence for the presence of liquid water in a comet, shattering the current paradigm that comets never get warm enough to melt the ice that makes up the bulk of their material.
A UA ScienceNow forum focused on the devastation in Japan after the March 11 earthquake and tsunami. A five-member panel discussed the seismic activity, nuclear reactor technology, radioactive particles as well as health implications.
About 150 researchers from three universities and representatives from more than two dozen of Arizona's aerospace and defense industries met on campus late last week to compare projects and gain insight into future technological needs for aerospace and defense.
Wind is a much more powerful force in the evolution of mountains than previously thought, according to a UA-led research team. The researchers studied gigantic wind-formed ridges of rock called yardangs that are found in Central Asia.