Answer: Sunlight.

A new study published in Nature Communications details a hybrid robot that combines the wind-driven mobility of tumbleweeds ...

Security experts detect a greater reach in the arms war of organized crime groups with the use of kamikaze-type drones and ...

After two years of devastating war, Gazans have crammed into coffee shops since the start of the month to watch their side ...

While reports have identified the Jiutian as a “general-purpose drone,” concepts have shown it releasing drone swarms with a ...

Augustus Doricko’s Rainmaker uses cloud seeding to bring rain where it’s needed. In the process, he’s been swept up in a ...

I was watching kite surfers harness the wind to carve sweeping arcs and achieve effortless lifts…Yet, I realized nature had ...

A “terrifying” era of warfare has arrived, forcing America to rethink its tools and tactics as it prepares for great-power ...

"I nearly escaped the jaws of death a few days ago when a Shahed landed near my apartment," a friend from Kyiv texted me, ...

Kyiv firmly denies supplying drones to Pakistan, clarifying its commitment to defense amid evolving global drone warfare ...

US soldiers are about to 'ride the wind' at 150 km/h over swamps, rivers and barbed wire in a Hoverbike - the scariest ...

The roof of the prefabricated cabin on the back of his truck had slid off, the driver said, revealing an unexpected and illicit cargo. “This is some kind of bullshit,” the driver told the transport ...