At this time of year, some nurseries start selling the egg cases of Chinese mantis as a biological control for the garden. These alien-looking insects are praying mantis and are harmless to humans, ...

The newly confirmed presence of an “alien,” or non-native, mantis species on the Galápagos Islands has experts concerned about its impacts on the archipelago’s delicate ecosystem. Even more concerning ...

“Alien” mantis species Liturgusa maya may have arrived in the Galápagos as a stowaway in agricultural material, according to a study. Getty Images/iStockphoto The newly confirmed presence of an “alien ...