Most famous spacecraft are born inside sprawling, high-tech facilities, but the Loki Lego Launcher that brought 10-year-old Kimberly and 12-year old Rebecca Yeung to fame was made right in their ...

The moon’s shadow can be seen in the background of this picture taken by a camera on the Yeung sisters’ Loki Lego Launcher. A picture of the Yeung family’s late cat, Loki, and a Lego minifigure of ...

Photo: Winston Yeung/YouTube Ask sisters Kimberly and Rebecca Yeung about their Labor Day weekend and they could legitimately say, It was out of this world. With a craft they constructed using ...

Three Lego minifigures sit on the workbench inside the Yeung sisters’ garage-turned-workshop. The flight computer aboard the Loki Lego Launcher. Kimberly Yeung studies their mission binder to decide ...

Two new additions to my list of inspirational ladies: Rebecca and Kimberly Yeung, ages 11 and 9, respectively. The sisters jumpstarted their scientific career when they designed and built the Loki ...

The Seattle sisters behind a series of missions to launch Lego toys into the stratosphere on high-altitude balloons are at it again. This time, they’re teaming up with the pros at NASA for a flight ...

For fun, Kimberly Yeung, 8, and her 10-year-old sister Rebecca built a spacecraft, Loki Lego Launcher, by hand and sent it 78,000 feet. The craft is named after their pet cat Loki and a Lego figure of ...