Image of the Day: Water Sensors
Image of the Day: Water Sensors
Zebrafish detect water movement around them through signals sent to the brain by cells containing tiny hairs.
Image of the Day: Water Sensors
Image of the Day: Water Sensors

Zebrafish detect water movement around them through signals sent to the brain by cells containing tiny hairs.

Zebrafish detect water movement around them through signals sent to the brain by cells containing tiny hairs.

ecology & environment
Image of the Day: Gnashers
Image of the Day: Gnashers
Carolyn Wilke | Feb 18, 2019
A mollusk grows magnetic teeth so tough they can grind down rocks.  
Image of the Day: Hot Pink Squirrels
Image of the Day: Hot Pink Squirrels
Carolyn Wilke | Feb 15, 2019
Under UV light, flying squirrels give off a rosy glow.
Image of the Day: Roses Are Red, Poppies Are Too
Image of the Day: Roses Are Red, Poppies Are Too
Carolyn Wilke | Feb 14, 2019
New research shows how they get their deep hue.
Image of the Day: Nor Any Drop to Drink
Image of the Day: Nor Any Drop to Drink
Carolyn Wilke | Feb 12, 2019
Sea snakes wait in thirst for “lenses” of freshwater forming on the surface of the ocean after a heavy rain.
Image of the Day: Attendance Record
Image of the Day: Attendance Record
Carolyn Wilke | Feb 11, 2019
Genetic material left behind on flowers can reveal which insects have visited.
Eastern Monarchs Flourish While Western Numbers Plunge
Eastern Monarchs Flourish While Western Numbers Plunge
Carolyn Wilke | Feb 8, 2019
In the last year, the butterfly’s eastern group has more than doubled its hibernation area while the other population waned. Plus, researchers are moving trees to save monarch habitat.
Image of the Day: Light Show
Image of the Day: Light Show
Carolyn Wilke | Feb 7, 2019
Sea fireflies spew a mucus with a chemical glow to lure mates and avoid being eaten.
2018 Was the Fourth-Hottest Year on Record
2018 Was the Fourth-Hottest Year on Record
Shawna Williams | Feb 6, 2019
The past five years have been the warmest-ever, NASA and NOAA announce.
Mixing It Up in the Web of Life
Mixing It Up in the Web of Life
Rodrigo Pérez Ortega | Feb 5, 2019
Many types of marine plankton are either animal-like or plant-like. But a huge number are both, and they are upending ideas about ocean ecology.