Blazes have reportedly risen 500 percent on public lands since the late 1970s
A volatile arrangement of tectonic plates millions of years ago gave us the Pacific
Presidential candidates begin to make clear their stark differences on climate change, energy production and stem cell research
Scientists are trying to convert carbon dioxide emissions into something of value—without using too much energy
Some places will see temperatures as much as 5.6 to 8.3 degrees Celsius above average for this time of year
Testing the limits of predictions, some geologists say long-silent Colli Albani might be starting a new eruption phase
A costume helps conservation biologist Joel Bergen study how polar bears might affect musk oxen in the Arctic.