Features
Shipwrecks, Tree Rings Reveal Caribbean Hurricanes
A UA researcher and her colleagues found a lull in Caribbean hurricanes during the Golden Age of Piracy corresponds to a low in sunspot activity.
Massive Network of Robotic Ocean Probes
Initiatives aim to measure global warming’s impact on high seas and deep currents with increasing scope and quality using the Argo floats.
Light Echos Give Clues to Planetary Nursery Around Star
For the first time, UA astronomers used echoes of light to determine the distance from a star to the inner wall of its surrounding planet-forming disk of dust and gas.
Horn of Africa Drying Ever Faster as Climate Warms
The findings from a UA-led study suggest a worsening future for the conflict-troubled region, which includes Somalia, Djibouti and Ethiopia.
'The Martian' Food Growing System: It's Here
A team of UA researchers can already "farm" on the red planet with a fully functional prototype greenhouse that produces sweet potatoes and strawberries.
HiRISE Images Show Signs of Liquid Water on Mars
Former UA undergraduate Lujendra Ojha discovered possible water-related streaks on the red planet's slopes.
UA Creates Accessible Study-Abroad Geosciences Course
The geosciences capstone field course will be based in Italy and serve juniors, seniors and graduate students starting next summer.
Likelihood Low of Asteroid Colliding With Earth
Do asteroids deserve their nasty reputation? On the occasion of Asteroid Day, Eric Christensen, director of the UA's Catalina Sky Survey, talks about the odds and consequences of an asteroid wreaking havoc on Earth.
