Newsela is a database of current events stories tailor-made for classroom use. Indexed by broad themes (e.g. War and Peace, Arts, Science, Health, Law, Money), stories are both student-friendly and can be accessed in different formats by reading level. Newsela can be used to differentiate nonfiction reading.
COVID19: Newsela is making their entire product suite freely available to teachers and districts, and has published free distance learning resources. Access to products and resources are available at the Newsela coronavirus resource center.