A giant laser facility in Livermore, Calif., says it has created net energy from nuclear fusion. It's an important breakthrough, but fusion power remains a distant dream.
The Twitter CEO's selective release of internal communications largely corroborate what is already known about the messy business of policing a large social network.
The bill signing comes after months of work on Capitol Hill and years of changed attitudes — even as the threat looms that the conservative Supreme Court could roll back same-sex marriage rights.
African leaders are converging in Washington for a summit that's the centerpiece of President Biden's effort to reset and improve U.S. ties with African countries.
Washington Post writer Jason Rezaian spent 544 days unjustly imprisoned by Iran. With Brittney Griner's release from Russian custody, Rezaian reflects on his own experience of being detained.
China is looking to deepen ties with Saudi Arabia and meeting other Arab leaders months after President Biden visited the kingdom — and had rocky results.
Yoel Roth was a top executive at Twitter, until he resigned in early November. He says people need to "very thoughtfully and carefully weigh the costs and benefits of using Twitter."
Plans take effect next week that would ban most Russian oil imports from Europe and put a price cap on the oil going elsewhere. But Russia could still make money off oil to fund its war in Ukraine.
From sci-fi to the streets, the San Francisco Board of Supervisors considers a policy proposal on whether the San Francisco Police Department can use robots as a deadly force.
Extraordinary street protests in some Chinese cities and campuses over the weekend put Xi Jinping's controversial approach to the pandemic under the spotlight.
Pablo Eisenberg, a loud and influential voice in the nonprofit sector who spoke widely and bluntly about his belief that philanthropy often benefits the wealthy more than the needy, died at age 90.
What can polls tell us? (Not a lot.) Why did ballot measures favor abortion rights while abortion rights opponents won handily? (It's complicated.) And more lessons from the midterms.
