From left, Eric Massie, Ryan Rastok, Erin Massie and Chris Johnson suspend themselves in a Scotch pine tree in northwest Lawrence on Thursday, Feb. 14, 2019. The four arborists enjoy spending some of ...

Learn how to tie the One-Eyed Knut friction hitch for smooth, reliable climbing control made for arborists and tree climbers.

Professional arborists from across seven states took to the trees in Hanscom Park for a tree-climbing competition Saturday.Video: Arborists participate in tree-climbing competitionCompetition takes ...

On a cool April morning nearly three decades ago, then 30-year-old Robert Gallant put on his harness and readied himself for the next competition in the circuit. The Williamsburg resident had spent ...