Seeing blue dots, red Xs, orange circles and purple bands on trees and wondering what they mean? Here's what we found out ...

The future of the European forests is at risk due to our changing climate. To observe the effects of climate change, we often ...

If you're wondering why squirrels seem to vastly outnumber raccoons—or why certain car brands dominate city streets—a team of ...

Aphids are a plant pest that can quickly build up to large numbers. Based on questions I’ve had in May, this might be a good aphid year. Questions were related ...

Isidrio Hernandez-Ruiz has a soft spot for the bright yellow flowers of the guayacan trumpet tree (Tabebuia guayacan), a ...

In the lush northern stretch of Saskatchewan’s boreal forest, frustrations are mounting. Clear-cuts creep closer, elevating a ...

The treasure of spring surrounds you at Itasca State Park. You’re not required to paddle a great distance, climb to great ...

Oleanders tend to drop leaves in spring/early summer. So, what you are seeing is normal loss of the older leaves. There is no ...