Breadcrumb Home Search Showing results for Language Content type Article (22) Photo (22) Slideshow (6) Lesson Plan (3) Audio (1) Overview (1) Article Type Article (9) Personal Perspectives (9) Topics (-) Ancient Seas (55) Extinctions (21) At The Museum (16) Marine Mammals (16) Evolution (11) Climate Change (6) Extinctions (6) History & Cultures (3) Invertebrates (3) Sharks & Rays (3) Temperature & Chemistry (3) Through Time (3) Careers (2) Exploration (2) Fishing (2) Plants & Algae (2) Reptiles (2) The Anthropocene (2) The Seafloor (2) Deep Sea (1) Fish (1) Food Web (1) Human Connections (1) Ice (1) Microbes (1) Plankton (1) Recreation (1) Seabirds (1) Seafood (1) Shifting Baselines (1) Tags Fossils (23) Paleobiology (22) Ancient sea life (16) Smithsonian scientists (16) Whales (13) National Museum of Natural History (11) Scientific illustrations (10) Geologic periods (9) Scientists at work (7) Adaptations (6) Mussels, Oysters & Relatives (5) New discoveries (4) Manatees & Dugongs (3) News (3) Smithsonian collections (3) Smithsonian Tropical Research Institute (3) Algae (2) Chemistry (2) Climate Change (2) Dolphins & Porpoises (2) Feeding (2) Fisheries (2) Maritime history (2) Native people (2) NOAA (2) Seagrass (2) Sharks (2) Technology (2) Under the microscope (2) Women in Science (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Article When Did Today’s Whales Get So Big? July 2016 Read the Full Article Article Form Equals Function for Ancient Sea Lizards and Modern Whales April 2019 Read the Full Article Photo Sediment Cores March 2010 View Image Article Excavating a "toothed" baleen whale from Vancouver Island May 2012 Read the Full Article Slideshow The Ocean Throughout Geologic Time, An Image Gallery September 2011 See the Full Slideshow Article The Discovery of Multispecies Communities of Seacows January 2012 Read the Full Article Overview Sea Level Rise April 2016 Read the Full Overview Audio Ediacaran Fossils: One Species at a Time October 2011 Listen to the Audio Article Mystery of An Ichthyosaur Graveyard Revealed December 2022 Read the Full Article Article Unearthing History: Mary Anning's Hunt for Prehistoric Ocean Giants March 2016 Read the Full Article Photo Ediacaran Community, Proterozoic Eon (2,500 - 542 Million Years Ago) September 2011 View Image Photo The Archean Eon (4,600 – 2,500 Million Years Ago) September 2011 View Image Pagination Current page 1 Page 2 Page 3 Page 4 Page 5 Next page