Basilosaurus Prehistoric Whale Ancestor
Mikkel Juul Jensen / Science Photo Library
Dorudon Prehistoric Whale Ancestor #3
Mikkel Juul Jensen / Science Photo Library
Dorudon Prehistoric Whale Ancestor #4
Mikkel Juul Jensen / Science Photo Library
Burgess Shale
Richard Bizley
Archaeopteryx Bird-like Dinosaurs
Mark P. Witton/science Photo Library
Permian Landscape
Stefan Schiessl/science Photo Library
Prehistoric Man Hunting A Mammoth
Richard Bizley
1910 Earliest Colour Neanderthal Print
Paul D Stewart
Tautavel Man Skull
Chris Hellier/science Photo Library
European Apple (malus Sylvestris 'john Downie')
Martyn F. Chillmaid/science Photo Library
The Cradle Of Humankind #1
Patrick Landmann/science Photo Library
1874 Monkey Darwin Cartoon By Faustin
Paul D Stewart
Prehistoric Giant Horsetails
Stefan Schiessl/science Photo Library
Neanderthal Research #1
Pascal Goetgheluck/science Photo Library
Neanderthal Research #3
Pascal Goetgheluck/science Photo Library
Cro-magnon Fossil Skull Endocast #1
Pascal Goetgheluck/science Photo Library
Cro-magnon 1 Research
Pascal Goetgheluck/science Photo Library
Palaeontologist Robert Broom
Science Photo Library
Fossilised Baboon Teeth #1
Patrick Landmann/science Photo Library
Neanderthal Research #6
Pascal Goetgheluck/science Photo Library
Human Skull Research
Pascal Goetgheluck/science Photo Library
Scanning Human Fossil Bone
Pascal Goetgheluck/science Photo Library
Scanning Human Fossil Bones
Pascal Goetgheluck/science Photo Library
The Cradle Of Humankind #2
Patrick Landmann/science Photo Library
1907 Harrison Eolith Dawn Stone Tool
Paul D Stewart
The Cradle Of Humankind
Patrick Landmann/science Photo Library
Neanderthal Research #2
Pascal Goetgheluck/science Photo Library
Sabre-toothed Cat Mandible Fossil
Patrick Landmann/science Photo Library
Fossil Skull Endocast Collection #1
Pascal Goetgheluck/science Photo Library
Neanderthal Research #4
Pascal Goetgheluck/science Photo Library
Neanderthal Research #5
Pascal Goetgheluck/science Photo Library
Fossil Skull Capacity Measurement
Pascal Goetgheluck/science Photo Library
Extinct Marine Invertebrate #1
Simon Terrey/science Photo Library
Fossilised Baboon Teeth
Patrick Landmann/science Photo Library
Neanderthal Foot Bone Fossil #1
Javier Trueba/msf/science Photo Library
Neanderthals hunting mammoth, artwork
Science Photo Library
Whale Evolution #4
Mikkel Juul Jensen / Science Photo Library
Stages In Human Evolution #1
David Gifford
Cladogram Of The Tree Of Life
Nemo Ramjet/science Photo Library
Remingtonocetus Prehistoric Whale Ancestor
Mikkel Juul Jensen / Science Photo Library
Pterosaur Ancestor
Mark P. Witton/science Photo Library
Dorudon Prehistoric Whale Ancestor #1
Mikkel Juul Jensen / Science Photo Library
Pakicetus Whale Ancestor
Roman Uchytel/science Photo Library
Pakicetus Prehistoric Whale Ancestor
Mikkel Juul Jensen / Science Photo Library
Dorudon Prehistoric Whale Ancestor #2
Mikkel Juul Jensen / Science Photo Library
Ambulocetus Prehistoric Whale Ancestor
Mikkel Juul Jensen / Science Photo Library
Protocetus Prehistoric Whale Ancestor
Mikkel Juul Jensen / Science Photo Library
Dorudon Prehistoric Whale Ancestor
Mikkel Juul Jensen / Science Photo Library
Taung Child Fossil
Pascal Goetgheluck/science Photo Library
Easter Island Statues
Steve Allen/science Photo Library
Human Evolution #2
Jean-francois Podevin/science Photo Library
Evolution Of Dog Breeds
Jose Antonio Penas/science Photo Library
Homo Ergaster Hunting Group
Mauricio Anton
1916 C. Knight Osborn Neanderthal Artwork
Paul D Stewart
Bengawan Solo River
Javier Trueba/msf/science Photo Library
Wild Carrot Flowers
Duncan Shaw/science Photo Library
Peking Man Teeth
John Reader/science Photo Library
Paranthropus aethiopicus, artwork
Science Photo Library
Australopithecus africanus, artwork
Science Photo Library
Homo habilis hunting, artwork #1
Science Photo Library
Total Solar Eclipse #1
Juan Carlos Casado (starryearth.com)
Confuciusornis
Jaime Chirinos
Enantiornithes
Jaime Chirinos
Anthracotherium Magnum
Roman Uchytel/science Photo Library
Human Evolution
Jean-francois Podevin/science Photo Library
Whale Evolution #6
Mikkel Juul Jensen / Science Photo Library
Salt Lake City Genealogical Research #5
Jim West
Whale Evolution #1
Mikkel Juul Jensen / Science Photo Library
Salt Lake City Genealogical Research #10
Jim West
Paranthropus Boisei Hominin
Nicolle Rager-fuller, National Science Foundation/science Photo Library
Whale Evolution #3
Mikkel Juul Jensen / Science Photo Library