The state is focusing on animals doing the most harm. Ones taken off the 'Dirty Dozen' list include chameleons and the Cuban ...

If you were born or raised in PoV country, you should never visit Toronto in January.  Despite the best wishes of this roving reporter, it’s cold […] ...

Invasive species, pathogens, and parasites can have serious ecological consequences for aquatic ecosystems and also put human health and economies at risk. Early detection of these biological threats ...

Another blast of Arctic air was set to spread across much of the United States from Thursday night, even as local authorities ...