A growing body of evidence suggests she might have survived into old age — which would entirely change the story of America’s ...

It contradicts the date of Sacagawea’s death accepted by historians: That she died on Dec. 20, 1812, just six years after the Lewis and Clark expedition concluded, of “putrid fever” at Fort ...

In 1812, Sacagawea, the Indian woman who helped guide the Lewis and Clark Expedition, died. In 1860, South Carolina becomes the first state to secede from the United States.

Lewis and Clark got lost? These and other "believe-it-or-not" facts about the famous expedition of 200 years ago are discussed by National Geographic Books editor Anthony Brandt. Read ...

A Lewis, Clark and Sacagawea statue was removed in Charlottesville, the last of the city’s controversial monuments taken down over the weekend.

On Nov. 15, 1805, the Lewis and Clark Expedition reached the shores of the Pacific Ocean a year and a half after starting out from St. Louis, Missouri.The explorers poled keelboats and sometimes ...

On Dec. 20, 1812, Sacagawea, the Indian woman who helped guide the Lewis and Clark Expedition, died.

When Meriwether Lewis and William Clark returned to St. Louis in the fall of 1806 after more than two years of exploring the American west, they brought a wealth of ...

On Sept. 23, 1806, U.S. explorers Meriwether Lewis and William Clark returned to St. Louis on their historic journey from the Mississippi River to the Pacific Coast and back.

Lewis, a reflective, literary man prone to what Jefferson called "melancholia," and Clark, an adept, take-charge commander, left on May 14, 1804, with an expedition of roughly 45 men on three ...