Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm ...

In two recent studies, researchers suggest a weakening ocean current system is to blame for a persistent cold spot in the ...

The quintessential superhero has always stood for truth and justice, but the final part of his catchphrase has morphed to ...

So Parliament took a new approach. It passed laws—the Sugar Act and Stamp Act— to raise revenue directly, bypassing the ...

BARBARA CLARK SMITH is the curator of political history at the Smithsonian's National Museum of American History.

Inspired by the sight of the American flag after battle, Francis Scott Key wrote “The Star-Spangled Banner.” Its vivid imagery captured the spirit of survival, symbolizing the nation's push ...

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...