NASA’s Lucy spacecraft has successfully completed thermal vacuum testing of both solar panels, the final step in checking out these critical spacecraft components in preparation for launch this fall.

A three-judge panel appeared skeptical of the Trump administration’s arguments that the president has judicially un-reviewable power when it comes to the deployment of the National Guard on the ...

A federal appeals court panel on Wednesday made way for President Trump’s National Guard deployment in Washington, D.C., to continue, a boon for his campaign to crack down on crime in the nation’s ...