Ashton Harris and her husband Cliff were visiting their perinatologist for what was supposed to be a routine visit when she was told she had developed a life-threatening pregnancy complication that ...

Gavidia said area developers removed all the native oaks and topsoil during construction, leaving the land malnourished and just like in fire-ravaged Altadena, the aggressive tree took root. Once ...

Urban trees are essential to the health of cities and their residents: they cool neighborhoods, filter pollution from the air, support biodiversity, and improve human well-being. But these benefits ...

A new study found that oak trees in Boston have a greater number of "bad" microbes, like pathogens and plant decomposers, than beneficial ones because of city stressors like heat and pollution.

Driving around Paris, France, prompted one observer's concerns about an invasion — of trees. "Is [the] tree of heaven invading Paris?" the original poster posed to the Invasive Species subreddit, ...