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Lithium-ion batteries - used in everything from electric cars to smartphones - are catching fire on land and at sea. Why is it happening and what's being done to solve the problem?

Ukrainians have raised tens of millions of dollars in digital currency to assist in the fight against Russia. Washington aims to stop Russia from using crypto to bypass western sanctions.

The Justice Department is appealing a judge's order that would create a special master to review documents that the FBI found at former President Donald Trump's Florida home, Mar-a-Lago.

Federal prosecutors allege a former contractor for the National Security Agency stole a massive amount of classified government material. The defendant appeared in court Friday.

Throughout November, hundreds of people are lining up to peer through the telescope at Lowell Observatory in northern Arizona. What they'll see: Mars in close opposition with the Earth. This is the nearest the red planet has been to Earth since 2003. If you miss it this month, you'll have to wait until 2018 for such an incredible view. Sadie Babits has this postcard from the observatory.

Defense contractors are working on new robotic, remote-controlled equipment they hope to sell to the armed forces. In the prototype assessment phase, soldiers at Fort Leonard Wood are working with the technology and providing feedback.

Growing up in the 1950s, Gwen Timbimboo Davis, a Native American, spent most summers visiting the reservation where her grandmother lived. She talks to her daughter about her memories.

The only youth climate change lawsuit to make it all the way to trial is underway in Montana.

Linda Wertheimer talks to USDA expert Steve Davis about fertilizer runoff in Lake Erie. Excess phosphorous fed the algae bloom that resulted in a tap water ban over the weekend in Toledo, Ohio.

The Police chief of Tulsa Oklahoma is speaking out for gun reforms as lawmakers there keep loosening gun restrictions.