Spotty leaves, cracked trunks, mushroom invasions ... Two certified arborists explain how to best take care of your trees.

If you’ve ever seen a row of trees along the sidewalks of St. Louis, you know the impact they have on the shade, cars and ...

"Found video footage tells the tale of three film students (Heather Donahue, Joshua Leonard, Michael C. Williams) who've ...

A year ago, Rwanda faced its first outbreak of Marburg virus. Dr. Tsion Firew remembers how scared she was — and how that ...