After the collapse came the dust. It billowed across Lower Manhattan in the wake of the 2001 World Trade Center terror attacks, turning people into ghosts as they trudged to safety. It blew into buildings through broken windows and air intakes, settling into carpets, curtains and upholstery and leaving a fine powder on surfaces. More.

New legislation would authorize more than $5.9 billion to reimburse eligible public employee retirement systems for costs of death and disability benefits that have resulted from the Sept. 11, 2001, terror attacks on the World Trade Center. More.

Henry Williams read the news of the release of long-suppressed 9/11 city documents last week with curiosity, but he soon found a confusing portal without any context or guide. A project manager by day, he said he was always “interested in messy, difficult data.” Here, he found plenty. More.

The bipartisan measure would seek an estimated $3.1 billion from FEMA for pension payments tied to 9/11-related deaths and disabilities among firefighters, police officers and other public employees. More.

Responders who spent weeks at Ground Zero are being diagnosed with dementia at ages when the condition is rare, and the federal program created to treat their 9/11 illnesses does not pay for it. More.

A new study finds where World Trade Center responders live later in life may influence their long-term physical and mental health. More.

New York City Mayor Zohran Mamdani released a trove of documents this week that shed new light on the air quality around the World Trade Center after the September 11 terrorist attacks. More.

At least 6,900 New Jerseyans who survived the 9/11 terrorist attack on New York City have received free treatments for cancers, lung diseases, mental health issues, and other health conditions linked to the terrifying and toxic soup at Ground Zero. More.