From the Smithsonian Museums
Read about the volcano that some believe almost wiped humans off the planet
Marianne Taylor; Photographs by Merlin Tuttle
Douglas G. D. Russell
Donald R. Prothero
David Lees and Alberto Zilli
Alan B. Bolten and Blair E. Witherington
Dr. Peter H. Hansen
Erica McAlister and Adrian Washbourne
Mari Nakahara and Katherine Blood
Todd J. Braje
Paul D. Taylor and Aaron O'Dea
Matthew T. Carrano and Kirk R. Johnson
Jan Zalasiewicz
Joanna Bagniewska