Matthew Cullen

Also, a rare rescue begins in Ukraine. Here’s the latest at the end of Friday.

Also, both parties are nervous about the Senate. Here’s the latest at the end of Monday.

Also, a top Trump health adviser resigns. Here’s the latest at the end of Thursday.

Also, Democrats lead in polls, but still face image problems. Here’s the latest at the end of Wednesday.

Also, a new N.B.A. season begins. Here’s the latest at the end of Tuesday.

Also, see the mind-boggling math behind A.I. data centers. Here’s the latest at the end of Thursday.

Also, consider these 100 big unanswered questions. Here’s the latest at the end of Monday.

Also, U.S. hiring slowed down. Here’s the latest at the end of Friday.

Also, the Supreme Court will review Trump’s migrant detention policy. Here’s the latest at the end of Thursday.

Also, ICE is planning a hiring surge. Here’s the latest at the end of Tuesday.