Outgoing US Homeland Security Secretary Janet Napolitano on Tuesday warned of a "major cyber event" in the future that would have a "serious" impact on American society.
A leaden cloak of responsibility lies on the shoulders of UN scientists as they put the final touches to the first volume of a massive report that will give the world the most detailed picture yet of climate change.
This Atlantic hurricane season may not be quite as busy as U.S. forecasters once thought, but they still warn of an unusually active and potentially dangerous few months to come.
(Phys.org) —Most aircraft carrying Doppler radar look like they've grown a tail, developed a dorsal fin, or sprouted a giant pancake on their backs. But when the unmanned Global Hawk carries a radar system this summer, ...
Tropical cyclones that make landfall in the southeastern United States typically make news with the damage they cause. But a study by an Indiana University Bloomington researcher and several colleagues shows that the weather ...
Power plants across the country are at increased risk of temporary shutdown and reduced power generation as temperatures and sea levels continue to rise and water becomes less available, the Department of Energy said Thursday.
Australia admitted Wednesday conditions at the Great Barrier Reef are "poor" as it battles UNESCO threats to downgrade its heritage status over concerns about pollution and development.
Frustrated passengers stood in long lines at Mexico City's airport as US airlines canceled flights for a second day after the Popocatepetl volcano spewed a new column of ash.
Global warming accelerated since the 1970s and broke more countries' temperature records than ever before in the first decade of the new millennium, U.N. climate experts said Wednesday.
Since the invention of the telescope four centuries ago, astronomers have become more aware of the active nature of the Sun, and how events on its surface can affect the Earth. One of the most dramatic of these is 'space ...