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

Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, ...

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

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

Similar examples of ancient lion artifacts appear to have been used as door knockers. But the newly discovered discs may have ...

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

The ceramic vessels contained the bones of pre-Columbian Indigenous people, as well as fish, frog and turtle remains ...

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

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