On the lack of standing decision, effectively allowing the Ninth Circuit decision to stand, which overturned California’s Proposition 8:
http://www.supremecourt.gov/opinions/12pdf/12-144_8ok0.pdf
HOLLINGSWORTH ET AL. v. PERRY ET AL.
On the overturn of the federal DOMA Defense of Marriage Act, via the case of a female couple in New York state, legally married under New York law.
http://www.supremecourt.gov/opinions/12pdf/12-307_g2bh.pdf
UNITED STATES v. WINDSOR, EXECUTOR OF THE ESTATE OF SPYER, ET AL.
No, the 9th Circuit’s decision was overturned and remanded with instructions to dismiss for lack of standing. The decision that stands is Judge Walker’s from the U.S. District Court, which is the court immediately below the 9th Circuit.