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Northwestern University says these are the world's smallest human-made flying structures, and they could be used for monitoring the environment, population surveillance or disease tracking.

Along with the emotionally taxing work of searching for missing residents, firefighters working at the collapsed condo are dealing with the threat of COVID-19 and unpredictable weather.

Citigroup estimates the economy would see a $5 trillion boost over the next five years if the U.S. were to tackle key areas of discrimination against African Americans.

Pennsylvania, Oregon and Kansas are among the latest states to require face coverings in public settings as COVID-19 cases surge in much of the country. Health officials say masks can slow the spread.

One of the biggest stars in hip-hop used her appearance on Saturday Night Live to call out Kentucky attorney general Daniel Cameron.

The president's campaign committee finished September with $63.1 million cash on hand, compared with the Biden team's $177.3 million, according to new federal filings.

Democrats on the Senate Intelligence Committee are pressing for the release of a so-called torture report on Bush-era interrogation practices. But there are several hurdles to clear before portions of the report might become declassified.

The nuclear arms race wastes resources that could instead improve people's lives and protect the environment, the pontiff said. His tour marks the first papal visit to Japan in nearly 40 years.

The youth groups that were so crucial to the overthrow of Mubarak feel "they may have lost the revolution," NPR's Soraya Sarhaddi Nelson reports from Cairo.

The U.S. women's gymnastics team has won the team gold medal at the London 2012 Olympics, handily beating Russia, which took silver, and Romania, which took bronze. China finished fourth.