Trump again called on the United States to send astronauts to Mars in his speech to a joint session of Congress.

Tim Marshall, the author of "Worth Dying for: The Power and Politics of Flags," explains why American flags are reversed on military uniforms. Following is a transcript of the video. A lot of ...

But Lamar also — and probably not unintentionally — reignited a recent conversation about the American flag and who gets to claim it. In one of the most indelible images of a performance ...