The new freezing technique could reinvigorate corals suffering from warming oceans—or even preserve human organs in the future.


PBS NewsHour: Coral reefs around the world are in growing danger due to rising temperatures connected with climate change. But in Florida and the Caribbean, marine biologists are racing to fight a new deadly threat. Science correspondent Miles O'Brien reports.


The device is so easy to use, researchers are asking for a “squidpop blitz” for World Oceans Day.
by Laurie M. Penland


More than 315 billion pounds of plastic pollute our oceans, including the Great Pacific trash vortex, a vast patch of plastic debris that some estimates calculate as being twice the size of the continental United States.
by Alex di Giovanni


Smithsonian photographer Laurie Penland details the exhausting, but rewarding, work of scraping invasive species off the hull of a boat.
by Laurie M Penland


Laurie Penland has been diving for 19 years, six of them as a diving officer for the Smithsonian Institution, and yet last September she witnessed something she never had before: a plastic invasion.
by Megan Gambino


It blew in for two solid days: a flotilla of plastic forks, soda bottles, rubber gloves, and other refuse.


Understanding how corals reproduce is critical to their survival; Smithsonian's Nancy Knowlton investigates the annual event.
by Megan Gambino