Katherine Johnson, one of the history-making NASA mathematicians known as a "human computer" depicted in "Hidden Figures," died earlier in 2020. Although she is gone at 101, her legacy will live on ...

Thiele-Bruhn published a Correspondence on the Viewpoint of Rillig, Lehmann, and Bi, who drew attention to the often neglected role of hormesis in global environmental change. Thiele-Bruhn argues that ...

For the first time in 60 years, a U.S. president has deployed the National Guard without a governor's approval. That time, Lyndon B. Johnson was defending civil rights. This time, say observers ...

President Lyndon B. Johnson federalized the National Guard in 1965, calling on troops to protect civil rights advocates who were marching from Selma, Ala., to Montgomery.

President Lyndon B. Johnson invoked that authority in 1965, calling on troops to protect civil rights advocates who were marching from Selma, Ala., to Montgomery. That incident is now in the spotlight ...

In a March 20, 1965, executive order, Lyndon Johnson cited a recent federal court order approving plans for activists to march from Selma to Montgomery on Highway 80. It would be the third ...

President Lyndon B. Johnson federalized the National Guard in 1965, calling on troops to protect civil rights advocates who were marching from Selma, Ala., to Montgomery.