Look up novas in Wiktionary, the free dictionary.
Novas are cataclysmic nuclear explosions in white dwarf stars.
Novas or NOVAS may also refer to:
- Novas (surname)
- Naval Observatory Vector Astrometry Subroutines, an astronomy software library
- Novas Software, a defunct American circuit design company
- The Novas, a 1960s Texas garage rock band