When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

Giraffes may not just be tall—they may also be able to tally. In an experiment with four zoo giraffes, University of ...

Future Artemis astronauts may be able to explore rocks blasted from deep inside the Moon by an ancient giant impact.

For over half a century, the Apollo 11 Moon landing has stood as one of humanity’s most defining achievements. On July 20, ...