Unexpected vacancies have whittled the G.O.P.’s edge to just a couple of votes, leaving Speaker Mike Johnson with almost no margin for leading the chamber.

In a new book, C. Thi Nguyen looks to his personal passions — from video games to yo-yoing — to illuminate the downside of our increasingly gamified world.

Experienced Antarctica guides tell Raymond Zhong, our climate reporter, how they set up camp on the Thwaites Glacier so scientists can measure how fast it’s melting. The biggest safety concern? Crevasses.

Her reimagining of “CBS Evening News” is under heavy scrutiny, and even became a punchline on her own network on Sunday at the Golden Globes.

Reza Pahlavi, living in exile in the United States, has long marketed himself as a future leader of Iran. His father’s repressive legacy casts a long shadow.

He Jiankui spent three years in prison after creating gene-edited babies. Now back at work, he sees a greater opening for researchers who push boundaries.