If you're heading on an outdoor adventure, you should familiarize yourself with identifying poison ivy. These are the three ...

“While this specific mnemonic device exists to deter people from touching poison ivy, it turns out there are also many ...

Rising atmospheric carbon dioxide levels are causing poison ivy leaves to grow larger and produce more of the toxic oil. Produced by Jacqui Frank. Original reporting by Jessica Orwig. Follow BI ...

Invasive plant species are in the spotlight — not just thanks to climate change, which has helped these biodiversity-killers ...

The poison ivy contains an oily resin or sap in all parts of the plant that can cause an allergic reaction in most people ...