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Researchers at Purdue are using software to mine tweets for data that can help warn that a dangerous storm is approaching. But the data may not always be reliable and analyzing it can be tricky.

In a memo to staff, editor in chief Ben Smith acknowledged that the site had deleted more than 1,000 posts — three of them after complaints from advertisers. Gawker first reported on the deletions.

Proposed federal rules are designed to make sure that financial advisers put their clients' interests ahead of their own. But experts worry that loopholes may weaken those consumer protections.

Maricopa County Sheriff Joe Arpaio and his chief deputy have acknowledged violating a federal judge's orders in a racial profiling lawsuit. A hearing begins to determine the extent of the violations.

A company has priced its test for mutations linked to breast and ovarian cancer at $249 — far less than the thousands of dollars another firm charges. But is there a downside for the worried well?

Hundreds of Americans are on the list, but often don't know it — or how they got there. The Washington Post's Adam Goldman explains the DOJ's new guidelines for informing people of their status.

A major rescue operation is underway in the Mediterranean Sea after a migrant ship carrying as many as 700 people capsized Sunday. NPR's Rachel Martin speaks to the U.N.'s Adrian Edwards in Geneva.

Twenty years after the bombing in Oklahoma City, the U.S. views security and privacy in a very different way. NPR's Rachel Martin speaks to correspondent Dina Temple-Raston about the changes.

Former Maryland Gov. Martin O'Malley, who will decide on a presidential run soon, is for a higher minimum wage and wants to increase Social Security benefits even though some would pay higher taxes.

Activists say that about 175,000 students refused to take federally mandated tests last week.