Satellite Imagery

Northern Arizona University

When trees are stressed, can they tell us? – Northern Arizona University

We know trees get stressed. What if they could tell us when they’re stressed?  A new project from NAU aims to build a system using satellites and instruments on the International Space Station that will track in near-real time when trees are stressed either because of lack of water or a bark beetle infestation and

Drought

How long does a tree or ecosystem remember a drought? – Northern Arizona University

Photo: Sunset at Baptiste Lookout, Flathead National Forest, Montana. Courtesy photo by Hufstetler/U.S. Forest Service Ecosystems have a long memory. That may not be a good thing. What scientists have learned is that extreme climate events like drought and heat waves don’t just negatively impact plants, trees and other vegetation while they’re ongoing. The effects

Northern Arizona University

Planetary scientists discover evidence of brief presence of water in Arabia Terra on Mars

As part of a team of collaborators from Northern Arizona University and Johns Hopkins University, NAU Ph.D. candidate Ari Koeppel recently discovered that water was once present in a region of Mars called Arabia Terra.  Arabia Terra is in the northern latitudes of Mars. Named in 1879 by Italian astronomer Giovanni Schiaparelli, this ancient land covers an area slightly larger than

International

Satellite images, expert suggest Iranian space launch coming

Iran appears to be preparing for a space launch as negotiations continue in Vienna over its tattered nuclear deal with world powers, according to an expert and satellite images. The likely blast off at Iran’s Imam Khomeini Spaceport comes as Iranian state media has offered a list of upcoming planned satellite launches in the works

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