Get Images and Video Updates by email
or by RSS.
Much of the Central Valley has been modified by agriculture and other human uses.
The Central Valley, viewed from space.
The Sacramento River and its watershed are part of the Central Valley.
The San Joaquin River and its watershed are also part of the Central Valley.
Visualization of the data revealing the Sept. 22, 2017 neutrino detection.
About 20 observatories participated in follow-on observations of the Sept. 22, 2017 detection.
The IceCube Neutrino Observatory at NSF's Amundsen-Scott South Pole Station.
A neutrino interacting with the clear Antarctic ice produces secondary particles.
A trace of blue light results from the interaction of a neutrino and an ice molecule.
Video type: Brightcove Video Cloud
NSF video: The 2017 multi-messenger neutrino discovery
During Hurricane Irma, Florida's Shark River Slough saw its highest water levels ever recorded.
NSF's Luquillo LTER and CZO sites after Hurricane Maria: the tropical forest there was uprooted.
Hurricane Irma severely affected the salt marshes of NSF's Georgia Coastal Ecosystems LTER site.
At NSF's Virginia Coast Reserve LTER site, scientists study the impacts of higher storm surges.
In 2017, hurricanes devastated ecosystems from tropical forests to salt marshes.
The Mississippi Delta before hurricanes Katrina and Rita destroyed a large part of it in 2005.
New panel will advise the Committee on Science, Technology, Engineering and Mathematics Education.
A leaf from a Washington hawthorn tree (Crataegus phaenopyrum) in a suburban yard.
Lawns with xeriscaping, which uses little water, are becoming more common.
Two types of traps sampled yard insects: a pitfall trap (left) and fluorescent painted bowls.
Are lawns similar across the country? New biodiversity research says yes.
NSF LTER scientists studied the biodiversity of U.S. suburban yards.
Ecologists compared lawns in six areas from coast to coast, finding them more alike than different.
Arthur Lupia will serve as head of the Directorate for Social, Behavioral, and Economic Sciences.
NSF's IceCube Neutrino Observatory at NSF's Amundsen-Scott South Pole Station.