Science Fiction Wallpapers [ 150+ HD Wallpapers ]

A vibrant HD desktop wallpaper featuring the iconic Death Star against a colorful cosmic backdrop, surrounded by planets and swirling clouds.

28

HD Wallpaper (3584x2048)

7,638

Created By

Tags Death Star Space Cosmic Planet Science Fiction

4K Ultra HD PC desktop wallpaper: a science fiction combat mech stands on rocky terrain at sunset overlooking a ruined outpost and distant mountains.

1

4K+ Ultra HD (4008x2256)

189

Created By

Tags Mech Science Fiction

4K Ultra HD sci‑fi spaceship corridor: dim, wet metal passage with armored figures, glowing consoles and a distant engine core — PC desktop wallpaper background.

3

4K+ Ultra HD (4008x2256)

223

Created By

Tags Corridor Science Fiction Spaceship

A 4K Ultra HD wallpaper featuring Spock, showcasing his iconic Vulcan features and starfleet uniform as he stands poised with a phaser in hand.

6

4K+ Ultra HD (4344x2472)

1,033

Created By

Tags Spock Star Trek Science Fiction Cosplay

HD wallpaper of Aven Colony featuring a futuristic cityscape with a large planet in the sky and flying vehicles.

1

HD Wallpaper (1920x1080)

2,057

Shared By

Tags Video Game Aven Colony Science Fiction Alien Planet

Alien Science Fiction 4K Ultra HD PC desktop wallpaper/background: hooded figure surrounded by towering wireframe-skinned humanoid aliens with glowing eyes and halo-like lattices under a stormy, reflective sky.

4K+ Ultra HD (4032x2304)

42

Created By

Tags Alien Science Fiction

Artistic science fiction helmet and human face entwined with colorful mosaic panels, cables and hovering modules — vibrant 2K Quad HD PC desktop wallpaper.

HD Wallpaper (2944x1648)

61

Created By

Tags Sci Fi Artistic Helmet Science Fiction

Sleepcore spaceship scene: a sleeping figure curled on a cushioned nest atop a circular starship drifting through sunlit clouds — 4K Ultra HD science fiction PC desktop wallpaper

4K+ Ultra HD (4032x2304)

92

Created By

CelestialCanvas

Tags Sleepcore Spaceship Science Fiction

Science Fiction Sci‑Fi futuristic alien landscape: lone figure in a coat surveys massive cable-tethered biomech structures — 2K Quad HD PC desktop wallpaper background.

HD Wallpaper (2944x1648)

113

Created By

Tags Sci Fi Science Fiction Futuristic Alien

Sci-fi mecha robot stands on snowy rocks beside a lone figure beneath a red sky — high-detail 2K Quad HD PC desktop wallpaper/background.

1

HD Wallpaper (2944x1648)

129

Created By

Tags Sci Fi Robot Mecha Science Fiction

A stunning HD desktop wallpaper featuring characters from Stellaris: Console Edition, showcasing a mix of human and alien figures set against a cosmic background.

1

HD Wallpaper (1920x1080)

2,590

Shared By

Tags Video Game Stellaris Science Fiction

Time Travel 4K Ultra HD PC desktop wallpaper: armored traveler emerges from a glowing green time portal amid floating clocks and swirling temporal energy.

4K+ Ultra HD (4096x2304)

485

Created By

Tags Time Travel Time Traveler Science Fiction

1

HD Wallpaper (1920x1080)

3,883

Shared By

Tags Movie Jupiter Ascending Poster Science Fiction

4K Ultra HD sci-fi wallpaper depicting alien technology with a massive warp drive emitting a bright green laser beam in deep space.

1

4K+ Ultra HD (4656x2608)

667

Created By

Tags Warp Drive Laser Beam Science Fiction

A grumpy character with green skin and prominent eyebrows, set against a futuristic background, featured as a 4K Ultra HD PC desktop wallpaper and background.

4K+ Ultra HD (4248x2376)

592

Created By

Tags Grumpy Alien Science Fiction