Marina Barcenilla was studying the chemical makeup of interstellar bodies when she realized she could marry her two passions ...

Air quality in some parts of the United States is being compromised as smoke from dozens of wildfires in Canada travels south, pushed by winds high in the atmosphere. The Environmental ...

Canadian Ambassador to the United Nations Bob Rae on Wednesday compared President Trump’s recent comments about the “Golden ...

When the National Air and Space Museum opened its doors on the National Mall in 1976, the Smithsonian Institution expected that as many as two million people would make the journey each year to ...