With two successful flight tests in the bag, and just under US$2 million in seed funding, Florida company Undefined Technologies has unveiled the next generation of its "silent" commercial drone, which uses ionic propulsion instead of propellers.

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Over the years, we've seen a number of drones that are designed to capture other drones. One of the latest, aptly named the Drone Interceptor, utilizes detachable net-pulling propellers to get the job done.

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The hoverfly has an extraordinary ability to see and track moving objects in very low light, and Australian researchers have replicated its signal-to-noise-boosting vision systems to process sound data, detecting and tracking drones up to 4 km away.

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When arriving at a disaster site, one of the most crucial tasks is to locate any survivors who may be trapped in the debris. A new module is designed to let drones do so, by detecting the radio signals of victims' mobile phones.

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When arriving at a disaster site, one of the most crucial tasks is to locate any survivors who may be trapped in the debris. A new module is designed to let drones do so, by detecting the radio signals of victims' mobile phones.

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Much as we may like pigeons, they can make quite a mess of buildings and other structures, potentially posing a health hazard. According to new research, autonomous drones may be ideal for harmlessly chasing the birds away.

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Back in 2016, we told you about the iBubble, an underwater drone that autonomously follows and films scuba divers. Well, it now has a more capable industrial-use big brother, known as the Seasam.

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Kawasaki has shoehorned the supercharged 1,000cc engine from its wild H2R hyperbike into a heavy-lift autonomous cargo helicopter, and has now demonstrated a robotic system for loading and unloading it without exposing humans to those big blades.

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While there are numerous questions about the logistics of drone delivery technology, here's one that not everyone thinks of: What if no one is home when the drone shows up? Well, the DroneDek system is designed with that scenario in mind.

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Wastewater treatment plants generally aren't known for their nice smell, and they have to be monitored in order to ensure that they're not becoming too stinky. An experimental new system uses an "e-nose" and a drone to do the job better.

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