It uses three high-resolution cameras to peer down at the ground below. Lit by synchronized strobe lights, an onboard computer creates a digital image of each seedling as it glides by, comparing them with all the greenery it might reasonably find in a field of rich Salinas valley farmland two hours south of San Francisco. "It puts a dot on the stem and maps around it," says Todd Rinkenberger of FarmWise, the robot's maker. "Now it knows what's plant. Everything else is a weed."

AUSTIN, Texas – Truly driverless cars – this time with no human drivers ready to take over in case of emergency – are now cruising around Austin. Pittsburgh-based technology company Argo AI says it has begun operating its autonomous test vehicles without human safety drivers in Austin. The company is also testing the driverless vehicles in Miami.

Thousands of emperor penguins waddling around Antarctica have a stalker: A yellow rover tracking their every move. ECHO is a remote-controlled ground robot that silently spies on the emperor penguin colony in Atka Bay. The robot is being monitored by the Single Penguin Observation and Tracking observatory. Both the SPOT observatory, which is also remote-operated through a satellite link, and the ECHO robot capture photographs and videos of animal population in the Arctic. The research is part of the Marine Animal Remote Sensing Lab (MARE), designed to measure the health of the Antarctic marine ecosystem.

Robot in Singapore is cracking down on people's social distancing Singapore has employed a four-legged robot named SPOT to patrol a popular park and remind people to maintain social distancing.

When Alexa loses her voice, celebrities--including Rebel Wilson, Cardi B, and Anthony Hopkins--help her get it back. Amazon's Alexa Super Bowl ad was a hit during the big game. With guest spots from Gordon Ramsey, Cardi B, Rebel Wilson, Sir Anthony Hopkins and even founder Jeff Bezos, the ad impres...