Explorer 1 became the first successfully launched satellite by the United States when it was sent to space on 31 January 1958. A quick response to the Soviet Union’s launch of Sputnik 1, Explorer 1’s ...

REDSTONE ARSENAL, Alabama -- Since America's beginning, the U.S. Army led the nation in exploration of the continent, and this year it celebrates the 60th anniversary of leading the nation in the ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This artifact is one of several ...

Explorer 1 was the first successful satellite launch in the United States. It launched from Cape Canaveral, Florida, on Jan. 31, 1958. This was seen as the start of the space race with the USSR, which ...

Explorer 1 was the first successful satellite launched by the United States. It was designed and built by the Jet Propulsion Laboratory (JPL) under the direction of Dr. William Pickering. They ...

In 1950, a group of scientists proposed the International Geophysical Year (IGY), a sort of science Olympics in which nations of the world would embark on ambitious experiments and share results ...

A half-century ago, the Jet Propulsion Laboratory’s Explorer 1 spacecraft became America’s first Earth-orbiting satellite when it sailed into space on Jan. 31, 1958. In honor of the historic ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a full-size display mock-up ...