First published July 17, 2018, by Carnegie Museum of Natural History. No one thinks of deserts in Pennsylvania, but we have one habitat that includes many plants ...

First published September 26, 2018 by Carnegie Museum of Natural History. Aphids are usually small wingless insects that suck sap from plants, usually specializing on one kind ...

First published December 8, 2020, by Carnegie Museum of  Natural History. With winter approaching, visitors to Powdermill Nature Reserve can anticipate seeing the tracks in ...