For the first time, a plant specimen has been cryopreserved and placed into the San Diego Zoo Wildlife Alliance’s Frozen Zoo, a step scientists believe could help the endangered scrub oak species ...

Discover why the mighty Oak Tree was officially designated as the National Tree of the U.S. in 2004, symbolizing strength, ...

Nuttall’s scrub oak, or Quercus dumosa, which is San Diego's only native tree species, is one of the few plant species in the county listed as endangered by the International Union for ...

Timberman Ridge MetroPark in Ross Twp. has seen a lot of change over the past few years, namely over a thousand native trees ...

New York state, in collaboration with the New York Cooperative Fish and Wildlife Research Unit at Cornell University, has ...