Sap is the sticky substance you see oozing out of tree trunks, and many varieties are edible. Here's what to know about eating sap, plus the risks and benefits.

Two oak trees stand on a rain-soaked, burned-over hillside following the Woolsey Fire in Agoura Hills, California, in November 2018. (AP Photo/John Antczak) The Pacific Northwest has endured multiple ...

NATICK - It's officially maple syrup season in Massachusetts. "Maple season is about a six-week window from when you tap the tree to when you're done collecting sap from the tree," said Haley Goulet ...