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Now, the Centers for Disease Control and Prevention defines a "close contact" as spending a total of 15 minutes within 6 feet of an infected person over a 24-hour period.

Join the library for a series of science and nature themed activities as part of the Nebraska Science Festival. Also, Jessica tells us about the book The Wishing Game by Meg Shaffer.

El Salvador gets nearly six feet of rainfall each year, but clean water is in short supply. Contaminated water kills thousands there every year. But simple projects that build deep wells are beginning to succeed where expensive, modern water systems have failed.

By Katie Knapp SchubertOmaha, NE – Omaha's sandbag operations move downtown this week.Parks and Recreation officials say volunteers are needed Thursday…

Now that marijuana is legal in more than 20 states, we all may be exposed to more marijuana on the street. Researchers warn that secondhand smoke from pot poses risks to the heart, lungs and arteries.

The James Webb Space Telescope blasted off from French Guinea at 7:20 a.m. ET on Saturday, Dec. 25. The NASA mission was decades in the making and should reveal the earliest galaxies in the universe.

How can communities stop coronavirus case surges without crushing the economy? Some scientists say widespread mask wearing may be more than a helpful precaution — it may be the solution.

The city of Wilmington, Ohio, was economically devastated three years ago after shipper DHL left town, taking with it thousands of jobs. Economic developers in Wilmington now think one way back is to embrace the unmanned vehicle industry. The FAA recently gave the Air Force permission to test UAVs at the largely vacant Wilmington Air Park.

Known by its nickname "beautiful feathered tyrant," Yutyrannus huali is a cousin of T. rex, 30 feet long and about 3,000 pounds. It had no trouble tearing its prey to pieces, but the dinosaur was also a snappy dresser — it was covered in downy feathers.