Relatives of the alligator made it to North America ten million years earlier than mammals, swimming there more than 19 million years ago.
The center of the galaxy is not only a crowded place, it's blasted by shock waves, bathed in radiation and warped by owerful gravitational forces from the supermassive black hole at the region's heart.
Paleontologists have discovered a new type of fossil turtle that was five feet across and almost perfectly round.
Scientists at the University of British Columbia and the Smithsonian Institution have discovered a new sensory organ in rorqual whales that appears to tell it when it's worth taking a big gulp.
Space shuttle Discovery is to have one last flight - piggybacking on a NASA aircraft to its final home at the Smithsonian Museum.
People living along the coast of Peru were eating popcorn before they had pots to put it in, and 1,000 years earlier than thought.
A number of museums and institutions have moved to archive both physical and digital paraphernalia associated with the evolving OccupyWallStreet (OWS) movement.
The Smithsonian American Art Museum is to hold its first exhibition of video games - and is asking the public to vote on what should be included.
While looking for something else entirely, Harvard-Smithsonian astronomers have discovered several double-star systems which are merging, and which may explode as supernovae in the astronomically near future.