Today Brace for a very active hurricane season this year, warn UArizona forecasters UArizona forecasters predict five major hurricanes and 21 named storms over the North Atlantic this hurricane season, which runs June 1 to Nov. 30.
Feb. 3, 2011 Northern Mars Landscape Actively Changing A high-resolution camera aboard NASA's Mars Reconnaissance Orbiter has taken images indicating that sand dunes on Mars are changing with sudden and gradual motions. The camera is operated by the UA's Lunar and Planetary Laboratory.