Now available from Sound Ideas, the Science Fiction Sound Effects Library offers a broad range of futuristic, space, alien and creature sound effects and ambiences SoundFX.
This 3 CD package provides a full audio galaxy, designed for versatile use in a wide variety of science fiction scenarios and sequences.
The collection also contains excerpts from a sci fi audio drama called Space Fighter Duel, showcasing many of the librarys effects and suggesting editing / mixing possibilities for them. Space Fighter Duel is provided as both a continuous track, and as separate indexes, and its available for use either in its entirety, or separated into specific effects.
The Science Fiction Sound Effects Library contains exciting and expressive source material in the following categories:

Spacefighter Duel & Selected Elements:
Flights & Attacks, Launches, Blastoffs, Flybys & Circling, Explosions, Battle, and a Roasted Toasted Alien

Ambience Effects & Action Effects and Scenes:
Space Hangar Ambiences, Spacefighter Strafing Runs & Flybys, Squadron Formations, Moon Landing Sequence, Starship Bridge & Warp Drive Sequence, Space & Blaster Battles, Lift-Off to Orbit Countdown, Re-Entry Sequence, Computer Room, Mad Scientistís Laboratory, Laser Cannon Blasts, Alien Weather & Lightning Bolts, Horror Heartbeat, and Engine Room Ambience

Electronic Effects:
Bells, Bubble Up Effects, Communications & Telemetry, Beeps, Radio Bursts, Intercom Static, & Space Radio Interference, Space Beacon, Warnings, Hand-Held Computers, Sine Waves, Warble, Electromagnetics, and Space Radio Tuning

Mechanical Effects:
Laser Bursts, Pneumatic Sliding Doors, Sinister Pulsating Machines, Vacuum Pump, Mechanical Computers, and Various Machine, Switch & Motor Sounds

Weapons Effects:
Vindicator & Scavenger Weapons Fire, Spaceship Weapons Fire, Turbo Laser, Proton Torpedoes, Death Star Explosions, Hand Blasters, Hand Phasers, and other Weapons

Fantastic Creatures:
Alien Creature Mumbling, Cute Droid, Mean Little Creature, Alien Intelligence and Computer Speech, The Id Monster, Cantina Creatures, Robot, Gargle & Growl Monsters, Weird Thing, Mad Martian Mouse, White Fang, and other Robots and Alien
Radio Drop Ins

Miscellaneous Effects:
Ominous Flying Saucer, Vibrations, Laser Tunnel Resonance, Radioactive Emanations, Disintegrator - Integrator Units, Launch & Catapult Effects, Meteor Showers, Personal Extra-Vehicular Thruster Units, Rumbles, Wails, Sirens & Sputters, Garbled or Coded Radio
Communications, Phaser and Other Space Sounds

Soundscapes & Music:
Solar & Cosmic Storms, Flying Saucer Landings & Take-Offs, Close Encounter with Mothership, Glass Tones, Mental Projection, Dark Swells, Interdimensional Madness, Nightmare Terror & Radioactive Crying, Humourous Zombies, Kaleidoscope, and other Musical Compositions