US President Donald Trump said his planned acquisition of Greenland is crucial for his $175-billion ‘Golden Dome’ defence project. Here’s what we know so far about the system. US President Donald ...

Discover how to build a simple electromagnetic motor and generator using everyday materials in this hands-on science experiment. Follow the detailed steps to assemble a motor with a plastic bottle cap ...

Construction of the Dujiangyan irrigation system began in the 3rd century B.C. This system still controls the waters of the Minjiang River and distributes it to the fertile farmland of the Chengdu ...

I've spent years reviewing smart home gear and picking the brains of crime experts, and if there's one thing I've learned, it's that the start of a new year is the perfect time to audit your home's ...