A Coral Reef's Mass Spawning - Understanding how corals reproduce is critical to their survival; Smithsonian's Nancy Knowlton investigates the annual event.
by Megan Gambino
December 2009

Hot Topics - An ice-diving course in Svalbard, Norway, is only the tip of the Smithsonian science iceberg.
by Lawrence M. Small, Secretary
April 2007

Deep Science - From the Chesapeake Bay to Panama, scores of Smithsonian divers probe underwater mysteries.
by Lawrence M. Small, Secretary
September 2004

Master of the Deep - Before Smithsonian scientists do underwater research, Michael Lang makes them seaworthy.
By Michael Kernan
March 2001

The Yucatán's Flooded Basement - Neither darkness nor swirling silt nor an alarming accident rate can keep divers from exploring this surreal labyrinth.
by Michael Agar
April 1998