Abigail Harrison (born June 13, 1997), also known as Astronaut Abby, is an American internet personality and science communicator, particularly in the area of the United States space program.

[3] In 2015, Harrison founded the 501(c)(3) nonprofit called The Mars Generation[6] and currently serves as the President of the Executive Board.

[7] The Mars Generation is an American non-governmental nonprofit organization involved in public outreach and advocating for human space exploration and science, technology, engineering, and mathematics (STEM) education.

[2] The final program provides full paid scholarships for students demonstrating financial need to attend U.S. Space Camp.

[13][14] In order to apply for consideration students need to be age 15–17, demonstrate interest in space exploration and an aptitude in STEM and complete the application, including obtaining a recommendation from a teacher and/or mentor.