ALH 84001
alien life, gallery of possibilities
amino acids in space
ammonia-based life
anhydrobiosis
animals in space
anthropomorphism
archaea
arsenic-based life
astrobiology
Astrobiology Institute

back contamination
bacteria
bacterial spores
ballistic panspermia
Beagle 2
Beta Life
binary stars, habitable planets
biomarkers
biominerals
Bion
Biosatellite
Bioscience Advisory Committee
biospheres, recognition
blood, of non-human and extraterrestrial species
boron-based life
brown dwarfs, life

Callisto, ocean and possible life
carbonaceous chondrite
carbon-based life
chlorophyll
coacervate
Committee 14 on Exobiology
Committee on Contamination by Extraterrestrial Exploration
Committee on the Exploration of Extraterrestrial Space (CETEX)
convergent evolution
cosmic catastrophes, biological effects
cosmic collisions, biological effects
cryobiology
cryobot
cryptobiosis

Desulfotomaculum
directed panspermia
Dobzhansky, Theodosius (1900–1975)
dolphins, as a form of alien intelligence
dwarf bacteria

Earth Similarity Index
Earth-class planet
EASTEX
Eiseley, Loren Corey (1907–1977)
elements, biological abundance
Enceladus, life
epidemics, from space
Europa, life
evolutionary theory and extraterrestrial life
exoplanets
extraterrestrial intelligence, forms
extraterrestrial life, detection
extraterrestrial life, likelihood
extraterrestrial life, variety
extremophiles

forward contamination

galactic habitable zone
Gale Crater (Mars)
gravitational life
greenhouse effect

HabCat (Catalog of Nearby Habitable Systems)
habitable zone
Huang, Su-Shu (1915–1977)
Hycean planet
hydrobot

interstellar molecules

Jupiter, life

Klein, Harold P. ("Chuck") (1921–2001)

Lake Vida
Lake Vostok
late heavy bombardment
Lederberg, Joshua (1925–2008)
Levin, Gilbert (1925–)
life in space
life, nature
life, origin
lithopanspermia
Lo'ihi Underwater Volcanic Vent Mission Probe

magnetotactic bacteria
Mars, atmosphere
Mars, caves
Mars "fossils" controversy
Mars, life
Mars, meteorites from
mass extinctions
Matthew, William Diller (1871–1930)
McKay, David S.
metallicity
methanogen
Monod, Jacques (1910–1976)
moons, life
Muller, Hermann Joseph (1890–1967)

nanobacteria
nanobe
nanofossil
neutron star, life
nitrogen-based life

Office of Life Sciences
OGLE-2005-BLG-390Lb
Origins Program
Oyama, Vance I. (1922–1978)

Pace, Norman (1942–)
Panel 2 on Extraterrestrial Life
Panel on Extraterrestrial Life
panspermia
phosphorus-based life
planets, as living beings
planetary protection
planetary protection test
prebiotic
Proctor, Richard Anthony (1837–1888)

Richter, Hermann Eberhard (1808–1876)

Scheiner, Julius (1858–1913)
self-organization
SETI (Search for ExtraTerrestrial Intelligence)
silicon-based life
Simpson, George Gaylord (1902–1984)
Sinton, William M. (1925–2004)
solvent
Sunlike stars

terraforming
terrestrial planet
Titan, life
Titan, prebiotic evolution

Venus, life
Viking
Viking gas chromatograph mass spectrometer (GCMS)
Viking gas exchange experiment (GEX)
Viking labeled release experiment (LR)
Viking pyrolytic release experiment (PR)
Viking's search for life on Mars
Vishniac, Wolf Vladimir (1922–1973)

WESTEX
Wickramasinghe, N. Chandra (1939–)