Supreme Court Backs Law Requiring TikTok to Be Sold or Banned

The company argued that the law, citing potential Chinese threats to the nation’s security, violated its First Amendment rights and those of its 170 million users.

U.S. Reveals Once-Secret Support for Ukraine’s Drone Industry

The development of a new generation of drones has revolutionized how wars are fought, according to U.S. officials.

Biden to Commute Drug Offender Sentences

The action, aimed at inmates who received harsher sentences based on old disparities in drug laws, will be the broadest commutation of individual sentences ever issued by a U.S. president.

‘I’m Urging You Not to Run’: How Schumer Pushed Biden to Drop Out

The New York senator, who swallowed concerns for months and then dragged his feet on sharing them with President Biden, ultimately told him he risked going down as one of the “darkest figures.”

Biden Tightens Cybersecurity Rules, Forcing Trump to Make a Choice

The president’s latest executive order accelerates the move to mandatory compliance by software providers. It may run afoul of the Trump mandate to deregulate.

What to Know About the E.V. Tax Credit That Trump Might Repeal

Rules for a $7,500 tax break for electric vehicle purchases and leases recently changed, but more far-reaching changes are expected when President-elect Donald J. Trump takes office.