Philadelphia Zoo invites visitors to document animal behaviors during Monday’s eclipse

Industrial farms damage waterways and contribute to climate change. But at Pa.’s only certified organic sheep farm in Montco, the sheep do all the hard work.

The invasive insect appeared in Pennsylvania 10 years ago and continues to spread west, as far away as Illinois.

Teams from Drexel and the University of Delaware traveled to the path of totality as part of a nationwide NASA project.