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THE SCIENCE FICTION ARCHIVEExplore by theme ↗

Alien life

Encounters with life beyond our own world.

All books Space opera Time travel Artificial intelligence Alien life Cyberpunk Space exploration Dystopian worlds More themes +

3,897 books in alien life

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Balanced rating combines the average and the number of ratings; small samples carry less weight. How ranking works ↗

Time travel1998

All Hands on Deck (Goners)

Jamie Simons; E. W. Scollon

4.0(1)Open Library rating out of 5

Amid Stars and Darkness

Chani Lynn Feener

4.0(1)Open Library rating out of 5

An alien light

a novel

Nancy Kress

4.0(1)Open Library rating out of 5

Anasazi

Dean Ing

4.0(1)Open Library rating out of 5

Animorphs Alternamorphs

The Next Passage

Katherine Applegate

4.0(1)Open Library rating out of 5

Annex

Rich Larson

4.0(1)Open Library rating out of 5

Anything you can do ...

Randall Garrett

4.0(1)Open Library rating out of 5

Space opera2016

Apes and Angels (Star Quest Trilogy)

Ben Bova

4.0(1)Open Library rating out of 5

Appleseed

John Clute; John Clute

4.0(1)Open Library rating out of 5

Arabella of Mars

David D. Levine

4.0(1)Open Library rating out of 5

Arabella the traitor of Mars

David D. Levine; David D. Levine

4.0(1)Open Library rating out of 5

Archvillain

Barry Lyga

4.0(1)Open Library rating out of 5

Arctic Code

Kirby, Matthew J.

4.0(1)Open Library rating out of 5

Space opera2011

Artemis

Philip Palmer

4.0(1)Open Library rating out of 5

Artemis awakening

Jane M. Lindskold

4.0(1)Open Library rating out of 5

Autonomy

Daniel Blythe

4.0(1)Open Library rating out of 5

Avalon

Mindee Arnett

4.0(1)Open Library rating out of 5

Babar Visits Another Planet

Laurent de Brunhoff

4.0(1)Open Library rating out of 5

Back to Before

Katherine Applegate

4.0(1)Open Library rating out of 5

Space opera2014

Balance point

Robert Buettner

4.0(1)Open Library rating out of 5

Balshazzar's serpent

Jack L. Chalker

4.0(1)Open Library rating out of 5

Space opera2005

Banner of Souls

Liz Williams

4.0(1)Open Library rating out of 5

Battle at zero point

Mack Maloney

4.0(1)Open Library rating out of 5

Battle of knowhere

Adam Davis

4.0(1)Open Library rating out of 5

Theme matches come from subjects on a work or its English editions, or a cited editorial review. Each book’s discovery notes show the evidence.