A familiar, sporadic glow is dotting the night sky around the nation’s capital as fireflies return in force for the summer months. Experts said the lightning bugs filling the...

President Trump said Thursday he will impose a 35% tariff on Canadian goods, a major development in the U.S. trade relationship with its northern neighbor. Mr. Trump, writing on Tr...

Perhaps it's too soon to mark nuclear power's revival in the U.S. but there is a burst of activity that should ultimately yield a new generation of advanced nuclear plants and smal...

Chinese and Russian bombers that conducted a joint patrol near U.S. territory in November for the first time represented practice for conducting a strategic nuclear attack on the U...

President Trump said Wednesday that he used ‘common sense’ to calculate the steep tariffs that he slapped on countries unless they can broker new trade deals with the U...