Cephalopods are masters of camouflage. Scientists want to decipher how the process works in the brain.

Hill’s testimony was a watershed in the conversation about workplace sexual harassment. The Almanac uses photo archives to understand where we are by examining where we’ve been.

Returning to China after decades away, a correspondent finds bullet trains, dazzling skylines — and a surveillance state more paranoid and pervasive than ever.

Meta had delayed releasing Muse, its A.I. agent app, for months over safety concerns. Then new competition forced Mr. Zuckerberg’s hand.

The Philadelphia Police Department said the agents had also sent in a false homicide tip. The incidents led the White House to call for better disclosure of rogue A.I. behavior.

Baltimore’s law department says no applications have been submitted for the city’s downtown property tax break program. Yet the city is poised to award a tax break anyway.

A new study has identified two species of Brazilian birds, the bare-throated bellbird and the red-legged seriema, as the loudest in nature.

Margaret Hamilton, the first female programmer hired to work on the space project at M.I.T., was 90.

Hundreds of new A.I.-generated findings moved the frontiers of higher math in a single day — dispelling any doubt that the field is forever changed.

In Texas and Iowa, Democrats are successfully tying universal school vouchers to corruption.

What Ada Lovelace can teach us as we develop artificial intelligence.

Millions have downloaded Meta’s AI agent Muse. But getting it to do your bidding comes with privacy costs.

The move, affecting about one-fifth of the National Science Foundation’s primary research budget, is the latest sign of how the White House is asserting more control over grants.

Doctors are hopeful for a quieter fall and winter than in 2025.

The disclosure expands the extent of known rogue activity and raises further questions about the extent to which AI makers are maintaining control over their newest models.

The Trump administration may have just signed up your child — and more than 60 million others — for a 530A savings account (if you haven’t already done so).

We asked dozens of them about America’s libraries — what they provide, what they need to survive. Here’s what they told us.

Oleum owner Alisha Adibe is opening the restaurant Dahlia Cocinita in the former Simply Marie's space.

Government enforcers have the laws and the experience to control A.I.

How could so little have changed?

Meta is exploiting a lucrative tax break intended to support research and experimentation. Its own accountants say the gambit is risky.

Agreements with Pfizer and Eli Lilly include tariff protections, overseas pricing inducements and broad confidentiality clauses.

It’s as though 2008 never even happened.

The agency has lost its independence and nearly a third of its staff, as Health Secretary Robert F. Kennedy Jr. and associates have tightened control.

The company did not learn until recently that its technology had meddled with websites for the Education and Commerce Departments and the Securities and Exchange Commission.

In each incident, the technology appeared to be conducting mundane data collection and resorted to hacking techniques to get it, researchers said.

Democrats and Republicans in Congress opposed the creation of a commission with the power to veto federal research awards.

Federal officials said this week that the Strategic Management of Airspace Routing Trajectories system, or SMART tool, is launching for the capital region’s three main airports — BWI, Dulles and DCA...

The railroads were once the octopus that A.I. is now.

Video can help charity keep up with a changing world.

In Richardson, a fleet of drones has started to deliver goods quickly. But the noise is drowning out life for some residents: ‘We can’t live like this.’

The Trump administration’s policy of deporting migrants to third countries is undermining a bedrock notion of international law for the past 75 years.

Male managers hire more women after becoming a “girl dad”

Political officials are weighing the creation of a commission to review awards by the National Institutes of Health, The Post reported.

The group representing seven Virginia tribes said in a statement Monday that state and federal officials are “unwilling to give the tribes a seat at the table.”

Federal officials are drafting an executive order that would place grants under review by an outside panel, the latest effort to redirect billions of dollars in research spending.

A decade ago, I made a decision about my daughter’s education that I hoped would challenge New York City’s separate and unequal school system. Now 16, she thinks I made the wrong choice.

The Muse app continues Meta’s trend of opting users into data collection for AI training. It also nudges you to share your bank account, email, and passport information.

Internal emails and documents demonstrate the political capture of the institution, including how officials once pursued a plan to unload much of the art collection.

President Trump announced a ban on Friday on the outlets, whose coverage he deems unfair. The move will likely be challenged in court.

A previously unseen filing captures the state of the institution seven months after Donald Trump’s takeover.

The species, called a tilcayo, is smaller than a house cat and lives in the cloud forests of the Andes Mountains in Bolivia.

The tool, called SMART, will crunch scheduling and weather data to predict and avoid delays. It will be deployed in the Washington region’s three major airports next week.