Sammen med [[Adam Riess]] og [[Saul Perlmutter]] har han modtaget både en delt [[Shaw Prize|Shaw Prize in Astronomy]] i 2006 og [[nobelprisen i fysik]] i 2011 og [[Breakthrough Prize in Fundamental Physics]] i 2015 for at vise at [[Universets accelererende ekspansion|universets ekspansion accelerer]].<ref name="BBC">{{cite news|url=https://www.bbc.co.uk/news/science-environment-15165371|title=Nobel physics prize honours accelerating Universe find|publisher=[[BBC News]]|date=4. oktober 2011}}</ref><ref name="bbc nobel">{{cite web|url = https://www.bbc.co.uk/news/science-environment-15165371|title = Nobel physics prize honours accelerating Universe find|first =Jason|last = Palmer |date = 2011-10-04|access-date = 2011-10-05|publisher = [[BBC]] }}</ref><ref>{{cite web|url=https://breakthroughprize.org/?controller=Page&action=news&news_id=21|title=Breakthrough Prize|work=breakthroughprize.org|access-date=26. februar 2020|archive-date=13. september 2016|archive-url=https://web.archive.org/web/20160913180508/https://breakthroughprize.org/?controller=Page&action=news&news_id=21|url-status=dead}}</ref>
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