American spy agencies are divided on whether Moscow would go so far, but the concern is urgent enough that Secretary of State Antony J. Blinken has asked China and India to try to talk Russia down.
Members of the House went into a confidential briefing hoping for answers about what the government knows about alien life. They emerged with more questions.
A congressional committee made the demand of the Commerce Department after The Times reported on concerns among U.S. intelligence officials over the Emirati company, G42.