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Kim Malcolm talks to Doug Clark, associate professor of geology at Western Washington University, about the different types of ice caves, how they are formed and their risks.

Pete Stelling, assistant professor of geology at Western Washington University, is working to make the Alaskan island of Akutan less dependent on diesel fuel by tapping the island’s renewable geothermal energy.

Don J. Easterbrook, emeritus professor of geology at Western Washington University, where he was department chairman for 12 years, shares his new book, “Cruising Through Geologic Time in the San Juan Islands,” at 7 p.m. Tuesday, May 26, at Village Books, 1200 11th St.

You might call him the late-blooming old man of Northwest geology.

Or call him Whatcom County’s unofficial “geology laureate.”

Either way, Dave Tucker’s lifelong interest in the rocks of the region has found a new outlet with his first book, “Geology Underfoot in Western Washington…

Melissa Rice’s career revolves around answering a question that continues to entice the human imagination: Can life evolve elsewhere in the universe?

Rice, an assistant professor at Western Washington University, thinks the answer may be found on Mars.

The volcanic ridges of the Cascades have long been poked and prodded by people who want to know what kind of geothermal energy they'll find beneath the surface.

But many of the Northwest's hot spots are on public lands. And in some cases, federal land…