Note: This story was last updated at 11 a.m. Dec. 14.

House approved bill last week; legislation now headed to President Obama

After years of work, the U.S. Senate has passed a bill to set up a Manhattan Project National Historical Park that includes Oak Ridge, a once-secret city that played a key role in ending World War II. The legislation passed the U.S. House last week, and it now goes to President Barack Obama, who is expected to sign it into law.

Besides Oak Ridge, the park will include Los Alamos, New Mexico, and Hanford, Washington. Those two cities were also part of the Manhattan Project, a top-secret federal program to develop the world’s first atomic weapons during World War II. [Read more…]