Prime Minister Benjamin Netanyahu of Israel has a series of vexing choices to make in the year ahead on issues including Gaza, conscription and a judicial overhaul, with elections looming. By David M.

Brian Cox once toured as a keyboardist in major rock and pop bands. Now he’s a particle physicist on a new world tour with a dazzling show he designed in an era of science disinformation and denial.

Donald Trump has warned that conflicts such as the ongoing Russia-Ukraine war can quickly escalate into world wars. “Things like this end up in third world wars. And I told that the other day. I said, ...