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The first tweet was posted seven years ago. Since then, the social media site has been used as a free speech platform to spread information, report on the Arab Spring and stay connected with millions worldwide. But critics say that as Twitter has grown, it has sometimes compromised its principles.

A growing number of cities are using surveillance cameras in the hope of fighting crime, but all that video is almost useless without powerful search tools to sort the material. The municipal camera trend is proving to be big business for companies that design video analytics software.

Updated at 9:29 pm ET — Former South Carolina governor Mark Sanford handily won the race for his old House seat, beating Elizabeth Colbert Bush. Earlier in the day, both sides expressed confidence that apparently strong voter turnout was a good omen. And it was — for Sanford.

Most people get diagnosed with lung cancer when it's too late to effectively treat it. A federal panel is trying to improve the odds by saying that longtime smokers and former smokers should get annual CT scans to check for lung cancer.

The mother of seven, beloved in her community and by Notre Dame students, is a sparkling intellect who is likely more conservative than the man she clerked for and revered, Justice Antonin Scalia.

President Trump said he would announce on Tuesday who would help him decide when to ease up on social distancing guidelines meant to mitigate the public health impact of coronavirus.

Some health plans are refusing to count the copayment assistance offered by drugmakers as part of a patient's deductible. That means some patients are paying thousands of dollars more out-of-pocket.

Nicole Kidman and Hugh Grant star as a married couple on the brink of unraveling in David E. Kelley's new HBO miniseries, based on Jean Hanff Korelitz's novel, You Should Have Known.

A group of documentarians have signed a letter to PBS expressing concerns that white stars like Ken Burns get too much airtime and resources, while filmmakers of color struggle to build careers.

Across the country, they are quitting and the exodus is particularly pronounced in rural Kansas where opposition to mask mandates and other public health edicts remains strong.