Mosco was raised in Ottawa, Ontario, where she would go hiking with her mom and then draw pictures of the wildlife they saw when they got back home.

[2] She worked in communication and marketing positions at nonprofits such as Mass Audubon[3] and the National Park Service.

[4] Mosco's work has been featured in The Guardian and the Huffington Post,[5][6] on the radio program Science Friday,[7] and by the Audubon Society.

[11] A collection of her comics titled Birding Is My Favorite Video Game was published in 2018 as a book, and included on the ALA's 2019 list of Great Graphic Novels for Teens.

[12] She published the graphic novel Solar Systems: Our Place In Space, aimed at middle school students.