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For decades, miners have called for limits on highly toxic silica dust, which they're exposed to while mining. An investigation shows its impact and the weakness of proposed rules to protect them.

Russia and Ukraine are waging a fierce war in the sky involving missiles, drones and air defense systems. Yet one thing makes this fight distinctive from previous air wars: pilots are extremely rare.

Sesame is now the 9th official allergen. The FDA designation was supposed to protect people with sesame allergies. Instead, it's become harder to avoid, as more bakers add sesame to their products.

The town of North Port, Fla., was hit hard by Hurricane Ian, and then days of river flooding. As the waters start to recede, residents are starting to dry out and take stock of the damage.

Since the first days of the space program, astronauts wear a special patch specific to each mission. A small North Carolina company has designed them all since the Apollo lunar launches.

In his Thursday evening address to the nation, President Biden chose a risky strategy of criticizing elected GOP officials while trying not to alienate Republican voters.

A retrospective of textile artist Myrlande Constant has opened at UCLA's Fowler Museum. Curators say it's the first solo show of a Haitian woman at an American museum.

A retrospective of textile artist Myrlande Constant has opened at UCLA's Fowler Museum. Curators say it's the first solo show of a Haitian woman at an American museum.

Seven astronauts died when the Space Shuttle Columbia disintegrated upon reentry on Feb. 1, 2003. NASA Deputy Administrator Pam Melroy looks back on the tragedy and how it shaped the agency.