For 47-year-old Erin Millender, this will likely be her last chance to become a mother. Her husband no longer wants to have a child with her.

An expert in human behavior explains how Democrats can change their primary process to improve their chances in 2028.

Vacant seats, and consistently poor attendance on both sides of the aisle, have exacerbated the challenges of already razor-thin margins in the House and Senate.

In highly competitive House races that Democrats need to flip in November, the left is betting that calls for universal health care and taxing the wealthy will resonate — even among Republicans.

The government’s A.I. Security Institute, staffed by alumni from OpenAI and Google, is becoming a model for countries grappling with A.I.’s emerging risks.

Demand for security engineers has surged as artificial intelligence generates a glut of new code and models like Anthropic’s Mythos create new concerns.

A tough re-election race grew more daunting after President Trump backed Mr. Cornyn’s opponent, Ken Paxton. The Texas senator has vowed to fight to the end.

The president’s corruption and subversion of democratic tradition risk becoming the norm.

Scientists shared transcripts with The Times in which chatbots described how to assemble deadly pathogens and unleash them in public spaces.