Results from a new study should help scientists better understand the factors controlling the timing of solar cycles and could lead to better predictions.

Cold fronts are funny things. Sometimes they can sneak by without you knowing precisely when they’ve done so. Other times they are unmistakable.

Just as the U.S. economy began a dramatic nosedive in 2007, so did the Arctic’s summertime sea ice. In the summer of 2010, the ice—much like the economy—continued to struggle.

In 1988, it was the spectre of Yellowstone National Park on fire. In 2003, it was the horror of thousands dying from heat in prosperous western Europe. The planet’s standout heat wave in 2010 plagued much of European Russia, including Moscow.

A turbulence warning system alerting pilots landing at and departing from Juneau International Airport in southeast Alaska has taken a significant step toward completion with the integration of Federal Aviation Administration radio communications into the system.