Sections
Smithsonian Voices
From the Smithsonian Museums
Scientists apply different methods to the geologic record with the goal of better understanding and quantifying ancient Earth's temperatures.
Caitlin Keating-Bitonti & Lucy Chang
March 23, 2018
J. Daniel Rogers & Wendy Cegielski
March 1, 2018
When the Moon Obscures the Sun, How Does Life on Earth Respond?
Celebrate Planets Near and Far This April