People around the world greet the New Year with fireworks and other celebrations. This year, Hawaii Volcanoes National Park ...

Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Note: The summit eruption of Kl ...

Yellowstone supervolcano ’s last eruption covered most of what is now the USA in volcanic ash and lava that flowed for ...

Russia and other hostile states have become increasingly brazen in adopting “gray zone” attacks against Europe and the United States, leaving defense officials with a dilemma: How to respond ...

Ebola is a deadly hemorrhagic disease caused by a virus that is endemic in parts of East-Central and West Africa. Most people are aware that a primary route for person-to-person transmission is ...

Federal Reserve Bank of San Francisco President Mary Daly and Federal Reserve Board Governor Adriana Kugler speak as they attend the American Economics Association's annual conference, in San ...