The US shot down another high-altitude “object” over the waters off Alaska on Friday afternoon – six days after a fighter jet took out a Chinese spy balloon off the coast of South Carolina – an ...

U.S. fighter jets on Friday afternoon shot down a mysterious object about the size of a car that was detected about 40,000 feet over Alaska. It's not yet clear what it was — the White House is ...

Students will be able to explain that the density of a substance has to do with how heavy it is compared to the size of the object. Students will also be able to explain that density is a ...

For the second time in less than a week, United States fighter jets have shot down an object illegally flying within U.S. airspace. White House officials said Friday that the aircraft was flying over ...

The U.S. has shot down a car-size object flying at a high altitude above Alaska's coast. It's unclear if it's a surveillance instrument, like the balloon that crossed over the nation last week. The ...

While additive manufacturing, more commonly known as 3D printing, has been a futuristic mainstay of manufacturing for years, it has struggled to scale both speed and size of its production due to ...