It was the greatest experiment ever conducted on U.S. soil. Discover 20 little-known facts about the Manhattan project.

A clandestine operation—tucked away on an upper floor of Rockefeller Center—was vital to Britain’s struggle for survival in ...

One of the most important projects of the 20th century was also one of the most daring and destructive, and it reshaped the ...

Mar. 25—A waterline construction project at the intersection of South Roosevelt Road 3 and South Roosevelt Road R 1/2 is under way, according to a Roosevelt County news release.

The White House released a message from President Donald Trump on the same day, hailing the Trinity detonation as "a remarkable feat" and the culmination of the Manhattan Project "which helped end ...