Look up! A powerful owl could be sleeping in your backyard

Picture this: you're in your backyard gardening when you get that strange, ominous feeling of being watched. You find a gray oval-shaped ball about the size of a thumb, filled with bones and fur—a pellet, or "owl vomit."

Engineers teach machines to recognize tree species

Engineers from Caltech have developed a method that uses data from satellite and street-level images, such as the ones that you can see in Google maps, to create automatically an inventory of street trees that cities may ...

Fewer insects hitting your car windscreen? Here's why

Every summer for almost the last 20 years, volunteers from the Kent Wildlife Trust and Buglife, both in the UK, have been tracking car number plates. But not in the the way you might think. Their inspections aim to register ...

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