Video footage and satellite images reveal new details about Iranian strikes on U.S. targets during the latest flare-up in fighting.

Democrats and Republicans are haggling about the Clarity Act, a major bill pushed by the crypto industry, as it moves closer to a Senate vote.

In a video message, the mayor of New York City said he could not legally arrest Israel’s prime minister but reinforced his position as a voice of the international left.

Michael Kratsios, President Trump’s science adviser, proposed overhauling how the government funds research. Democrats said Mr. Trump’s actions had weakened science.