Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot ...

When scientists deposited “Wavy Dave” the robot crab on a mudflat in Portugal, they hoped to learn more about how males compete for mates by waving their huge claws. But the little machine was ...

Researchers test fiddler crab mating strategies by introducing a robot with a waving claw, dubbed “Wavy Dave.” CNN speaks to ...

Scientists at the University of Exeter have created a robotic crab, nicknamed Wavy Dave, to understand how male fiddler crabs ...

Star of the Seas has 20 decks, 2,805 staterooms, a double-occupancy capacity of 5,610 passengers, and a crew of 2,350 ...

Here's a look at some of this week's top news photos as selected by editors. This report by The Canadian Press was first ...

Recycling plastic pots, tubs, trays and bottles is a habit familiar with most households, but did you know a whole host of ...