Posts by 

Eleanor Imster

Virga at sunrise

Virga is rain that evaporates before it reaches the ground.

Five fun physics tricks

Check out - and try - five fun physics tricks. Can you figure out the physics behind these phenomena?

California fire clouds

Fires raging over California last week created these towering pyrocumulus clouds - aka "fire clouds." A close look from jets flying nearby.

Horses communicate with expressive eyes and mobile ears

Do you think horses have expressive eyes? They do, say researchers, and they also have expressive ears.

Worst of the Gulf oil spill toxins still remain, research finds

Bacteria in the Gulf of Mexico consumed many of the oil toxins released during the 2010 Deepwater Horizon spill, but not the most toxic, says new research.

Forest path

A misty forest path ... Where does it lead?

We’re in the early days of Earth’s sixth great extinction, say biologists

Since 1500, more than 320 land animals have gone extinct. Populations of the remaining species show a 25 percent average decline.

Mars rover set an off-world driving distance record this week

NASA’s Opportunity rover, still going after 10 years on Mars, now holds the off-Earth roving distance record with 25 miles of driving.

See which parts of the U.S. are losing groundwater

This map shows the amount of water stored in underground aquifers in the U.S. on July 7, 2014, in contrast to the average from 1948 to 2009.