Use a combination of simple machines to build a catapult. Use a combination of simple machines, a lever, and an axle to build a catapult, and then use the catapult to conduct a simple investigation ...

Learn to build a candy catapult today at the Kids Space at the Cincinnati Museum Center Learn to build a candy catapult today at the Kids Space at the Cincinnati ...

NASA is backing a radically different way to reach space, one that swaps towering rockets for a ground-based launcher that whips payloads to orbital speeds before they ever see a drop of fuel. The ...

China's new amphibious assault ship is massive, unusual, and a bit of a mystery. It's a noteworthy addition to the Chinese navy, seemingly capable of fulfilling various purposes and missions. The Type ...

WASHINGTON — Kepler Communications, a Canadian startup designing a network of 140 telecom cubesats, has teamed up with the Satellite Applications Catapult in the U.K. to build a third and final ...

Will Schmidt and Nick Purdy prepped a small wooden catapult to launch a tennis ball at Highlands Elementary School on Tuesday. The boys launched a few balls before the catapult arm became unhinged, ...