Chinese authorities have detained another Canadian citizen this week, allegedly for harming national security. The detentions appear to be retaliation for Canada's arrest of a Huawei executive.

Nancy Pelosi is poised to once again be speaker of the House, after cutting a deal with several House Democrats who had previously opposed her. Pelosi will serve a maximum of four years in the post.

When fentanyl, a synthetic opioid 50 to 100 times more powerful than morphine, infiltrated the drug supply in the U.S. it had an immediate, dramatic effect on the overdose rate.

Javier Errázuriz had been accused of ignoring sexual abuse in Chile. George Pell has reportedly been found guilty of sexually assaulting children in Australia.

Berezin studied physics but, despairing of the job market in physics, she turned to the rapidly transforming computer industry. She invented the first truly computerized system for word processing.

Lawmakers are expected to vote this week to overhaul how Congress handles accusations of sexual misconduct. The deal follows a nearly yearlong standoff over member liability and other issues.

Remembering Rosanelle Eaton, the North Carolina woman who in her 90s became the face of efforts to overturn laws that civil rights activists said discriminated against black voters.

The U.S. government says warming ocean temperatures and melting ice have resulted in the "most unprecedented transition in history" in the Arctic, leading to extreme weather events across the globe.

A bipartisan resolution directs the administration to end military assistance to the Saudi-led conflict. It draws on the Vietnam-era War Powers Act, marking the first debate on this war authority.

Tribune Publishing secretly started to pay more than $2.5 million to a fired news executive to settle a lawsuit. It sought to keep a slur by controlling owner Michael Ferro from becoming public.

American teens are chronically sleep deprived, in part because of early school start times. But how much difference can a later start make? As Seattle's school district found out, it can help a lot.

Keri Blakinger spent nearly two years locked up on narcotics charges before becoming a journalist. "I've been so privileged in so many ways to end up with hope and second chances," she says.

Britain's prime minister faces a no-confidence vote in Parliament on Wednesday evening. Why do members of her own party want to sack her?

The onetime fixer for Trump has admitted that not only did he commit financial crimes but also that Trump directed him to arrange hush-money payments to two women. Cohen also says he lied to Congress.

The earthquake struck eastern Tennessee before dawn Wednesday. As mild as it was, its effects were felt far and wide — from eastern Kentucky all the way to Atlanta.

Federal officials at the U.N. climate meeting are ignoring climate science and touting coal and fossil fuels. But local and state authorities pledge to reduce greenhouse gas emissions on their own.

On Tuesday evening, a man opened fire on the famous market in Strasbourg, France, killing two people and leaving a third brain-dead. Hundreds of law enforcement officers are searching for the suspect.

A hot job market and skepticism about law enforcement are making it harder for police departments across the country to replace officers who are retiring.

"I will contest that vote with everything I have got," May said outside of 10 Downing Street. The vote is set to begin at 1 p.m. ET Wednesday.

Chinese state hackers most likely attacked the reservation system at Marriott's Starwood chain which revealed details of 500 million guests, according to people familiar with the U.S. investigation.