Big Rockets, a Big Telescope and Big Changes in Space Await in 2025

The president’s attack on the key tenet of the Biden administration’s industrial policy has set off concerns that he may claw back its funding.

The billionaire is leading a group of investors in the unsolicited offer, which complicates the start-up’s plan to raise more money.

Airlines have been increasingly outsourcing repair and upkeep work to other countries, but experts and consumer groups disagree about its impact on safety.