Biophysicist Oleh Halaidych, 34, helps make drones at a workshop in Kyiv. "I think we are all motivated because we see that this is a cheap and accessible way to make weapons," he says. "They kill the ...

Cheap, homebuilt drones are reshaping the battlefield in Ukraine, turning rare Russian flamethrower systems worth millions ...

Give the gift of learning (and screen-free time!) this holiday season and snag this for the inquisitive child on your list. It's available now for 61 percent at just $49.99. Share on Facebook (opens ...

This as-told-to essay is based on a conversation with Vladyslav Plak, the CEO of Drone Fight Club, a Kyiv-based company that trains combat drone pilots for the Ukrainian military. The following has ...

KYIV, Ukraine — In the courtyard of a group of ordinary-looking Kyiv apartment blocks, a stairway leads down to a small basement apartment. Three big dogs run out into the hallway when newcomers ...