“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

The Arctic Ocean has always been a region that’s fascinated University of Delaware doctoral student Tianyu Zhou. While most of humanity lives in the world’s temperate zone, the polar ocean seems like ...

The student course Arctic Future Pathfinders, which is held on the sailing ship Statsraad Lehmkuhl going through the Northwest Passage, combines cutting-edge science with hands-on education. The ...

With tools like Google Earth at our disposal, we have an understanding of our land masses like never before. With just a few ...

The Arctic is heating up, both because of climate change and tricky global politics. That's partly why the U.S. appointed its first ambassador-at-large to oversee Arctic affairs. Mike Sfraga was sworn ...

New study shows that 16 percent of the Arctic Ocean’s organic carbon comes from terrestrial sources, such as thawing permafrost and eroding coastlines. Climate change and the associated rising ...