Pavlof Volcano, Alaska Peninsula, In Pictures

Situated in the Aleutian Arc about 625 miles (1,000 kilometers) southwest of Anchorage, Alaska’s Pavlof Volcano began erupting on May 13, 2013. It is the third time this century, that Pavlof Volcano is erupting.

Costa Rica Has a Sea Turtle Egg-Poaching Problem

Besides being beautiful, Costa Rica’s beaches are the nesting sites of four endangered sea turtle species, which return each year to lay their eggs. But there is trouble in paradise for these reptiles, namely, from egg thieves.

Oyster Shells Are an Antacid to the Oceans

By studying oyster populations in relation to acidity levels, a team of researchers has concluded that oysters, particularly their shells, can play a significant role in reducing the increasing ocean’s acidity…

Ice in Motion

Maps and visualizations of the Arctic often give the impression that the ice cap is a continuous sheet of stationary ice. It is actually a collection of smaller pieces that constantly shift, crack, and grind against one another as they are jostled by winds and ocean currents.

Rebuilding the Coastline, But at What Cost?

Nearly seven months after Hurricane Sandy decimated the northeastern coastline, destroying houses and infrastructure and dumping 11 billion gallons of untreated and partially treated sewage into rivers, bays, canals and even some streets, coastal communities have been racing against the clock to prepare for Memorial Day.