Steel fragments from the World Trade Center towers can be found in memorials around the world.

Designed by Michael Van Valkenburgh Associates, the playground at the Obama Presidential Center in Chicago will be one of its most accessible features.

Also this week: A Housing First pioneer changes course, and who gets to claim credit when a neighborhood becomes trendy?

A new book from Harvard scholar Bruno Carvalho marks the milestones and missteps that have shaped urbanization patterns around the world.

Also today: The economic toll of inner-city highways, and how to fireproof a whole neighborhood.

As federal immigration agents descended on Columbia Heights families, the school superintendent expected to stay silent. Then federal agents came for 5-year-old Liam Conejo Ramos and his father, and s...

Northern Virginia housing developments that will soon be walled in by data centers exemplify the tensions over unfettered growth, as calls increase for regulation.

Northern Virginia housing developments that will soon be walled in by data centers exemplify the tensions over unfettered growth, as calls increase for regulation.

Staffers sound the alarm.

What's Really Warming the World? Climate deniers blame natural factors; NASA data proves otherwise

The Army’s 250th anniversary celebration, which falls on the president’s birthday, has been criticized as an expensive vanity event that projects authoritarianism. But such parades are not without pre...

The Army’s 250th anniversary celebration, which falls on the president’s birthday, has been criticized as an expensive vanity event that projects authoritarianism. But such parades are not without pre...

The lag in funding extends far beyond D.E.I. initiatives, affecting almost every area of science: chemistry, computing, engineering, materials and more.

Like a growing number of US communities, Torrance County, New Mexico, is convinced its financial survival depends on locking people up.

Like a growing number of US communities, Torrance County, New Mexico, is convinced its financial survival depends on locking people up.

Masked federal agents aren’t exactly Trump’s secret police. But they are hiding from accountability.

The US Supreme Court cleared the way for the Trump administration to start discharging thousands of transgender servicemembers, including people who have served openly for years.

El Salvadoran President Nayib Bukele said a Maryland man deported to his country by President Donald Trump’s administration would not be returned to the US, even as the Supreme Court has called for Tr...

Trump administration officials have described the men deported to El Salvador prisons last month as “the worst of the worst,” suggesting they were gang members involved in murder, rape and kidnapping.

Also today: Democrat-backed judge wins Wisconsin race in blow to Musk, and Chicago public school agrees to pay raise for teachers.

A team of federal officials tasked with helping cities and states navigate the effects of climate change on people’s health was disbanded Tuesday, part of a sweeping overhaul ordered by US Secretary o...

A year after Baltimore’s Key Bridge collapse, researchers identified bridges in New Orleans, Oakland and Houston that can expect serious collisions with large ships.

Yunseo Chung, a legal permanent resident who has lived in the U.S. since she was 7, participated in pro-Palestinian demonstrations. Immigration agents visited residences looking for her.

A Trump executive order listing the Institute of Museum and Library Services as an unnecessary agency could mean rural libraries lose essential funding.