Rocket Lab will launch a hypersonic configuration of its Electron rocket on a hypersonic test from Wallops in Virginia. Here's what to know.

The designated survivor for a president's address to Congress starts the day as a Cabinet secretary and ends it that way, too, God willing.

President Donald Trump's State of the Union address tonight at 9 p.m. ET is likely to be a test run of the message Republicans will give to voters in November's elections for control of the House and ...