23 PhD Programs in Astronomy & Space Science in North America

Specializations within astronomy & space science

Top universities for Astronomy & Space Science in North America

Ranked by how many astronomy & space science programs each one runs in North America — the count is next to the name.

• University of Florida (2)
• University of Oklahoma (2)
• University of Maryland, College Park (2)
• Rutgers University, New Brunswick (1)
• Syracuse University (1)
• The University of Tennessee, Knoxville (1)
• Toronto Metropolitan University (1)
• University of Alaska Fairbanks (1)
• University of Kentucky (1)
• University of Lethbridge (1)

PhD in Astronomy & Space Science in North America: common questions

How many astronomy & space science programs are there in North America?

23 astronomy & space science phd programs at 20 universities in North America are open to international students, as of 11 October 2026.

How much does a astronomy & space science degree in North America cost?

The median annual fee (programs billed per year) for phd programs in astronomy & space science in North America is 30,134 USD. The middle half of those programs charge between 22,625 USD and 34,414 USD a year.

Can I study astronomy & space science in North America in English?

Yes — 100% of the astronomy & space science programs in North America in our catalog are taught in English (23 of 23).

Are any of these astronomy & space science programs available online?

1 of the 23 programs in North America are delivered online or by distance learning.