Arborists say many tree problems go unnoticed until a storm hits. Here are the warning signs experts say homeowners should look for before damage occurs.

Scientists say Neanderthals probably used birch tar for several purposes, including treating wounds. The post Neanderthals ...

Neanderthals probably used birch tar for multiple functions, including treating their wounds, according to a study published in the open-access journal PLOS One by a team of researchers led by Tjaark ...

Neanderthals may have used birch tar as more than just glue; it could have helped them ward off infection and even insect bites.

Neanderthals probably used birch tar for multiple functions, including treating their wounds, according to a study published March 18, 2026 in the open-access journal PLOS One by a team of researchers ...

When you hear the words “greenhouse gas,” your mind probably goes to carbon dioxide, the concentration of which has been steadily rising worldwide, leading to a feedback loop of absorbing and trapping ...

SPOKANE, Wash. — Spokane's urban forest is facing a significant challenge due to a pine bark beetle outbreak, which has resulted in the removal of at least 200 Ponderosa trees. Urban Forester Katie ...

I’ve seen a fungus-like growth on several trees in the neighborhood. It’s a pale gray-green color with a frilly texture, and it coats much of the bark on some trunks. Can we do something about this ...

American beeches (Fagus grandifolia) have been suffering recently from a disease widespread in both Connecticut landscapes and forests, Beech leaf disease (BLD), caused by a foliar nematode, ...

SPOKANE, Wash. — After the city removed nearly 200 pine trees from public parks and golf courses due to bark beetle infestations, Spokane homeowners need to know how to protect the pine trees in their ...