Index S
- Safran, Rebecca Jo
- Sagittarius A*
- Sahelanthropus tchadensis
- Sakurai, Yukio/Sakurai's Object
- Salmon
- Sandage, Allan R.
- Sarcopterygians
- Satan
- Saturn
- Savannas
- Schadewald, Robert
- Schönborn, Christoph
- Schopf, J. William
- Schwarz, Patricia
- Sciama, Dennis
- Science
- Science Research Foundation
- Scofield Reference Bible
- Scopes trial
- Scotland
- Scott, Eugenie C.
- Sea
- Sea squirt
- Seafloor spreading
- Second Vatican Council
- Secular humanism
- Secular religion
- Sedimentary rock
- Segraves, Kelly L.
- Self-assembly
- Selfish genes
- Selman v. Cobb County Board of Education
- Separation of church and state
- Serbia
- Serpent
- SETI
- Setterfield, Barry
- Seventh-Day Adventists
- Sex/Sexual selection
- Seymouria
- Sgr A*
- Sheep
- Shellfish
- Shells
- Sherwin, Frank
- Shipley, Maynard
- Shrinking sun
- Siberia
- Simpson, George Gaylord
- Sin
- Singularity
- Sinornithosaurus
- Sinosauropteryx prima
- Sinovenator changii
- Skeletons
- Skhul
- Skin pigmentation
- Slavic languages
- Sloan Digital Sky Survey (SDSS)
Smoot, George
- Snakes with limbs
- Social Darwinism
- Sociality
- Society for Creation Science
- Sociobiology
- Soft-bodied forms
- Solar system
- Solar wind
- Soul
- Sound
- South Africa
- South America
- South Carolina
- Southeast Asia
- Southern Baptist Theological Seminary
- Space
- Spain
- Special creation
- Special relativity
- Speciation
- Species
- Speech
- Speed of light
- Spencer, Herbert
- Spirit (Mars rover)
- Sponges
- Spontaneous generation
- St. Petersburg Bible Science Association
- Standard Model
- Stars
- Steady state theory
- Stebbins, G. Ledyard
- Steinhardt, Paul J.
- Sterkfontein
- Sterols
- Stickers
- Stone tools
- String theory
- Strong reciprocity
- Stupp, Sam
- Styloichthys changae
- Sun
- Sunday, Billy
- Sunfish
- Supernovas
- Superstition
- Survival of the fittest
- Swift Gamma-Ray Burst Mission
- Sympatric speciation