The Great Pacific Garbage Patch explained

In light of the sheer physical enormity of the Great Pacific Garbage Patch and the complexity of its causes, what can we possibility do about it?

Video: It’s giant panda triplets!

They are the world's only known surviving set of giant panda triplets, born at a zoo in southern China. All three are adorable ... and expected to survive.

Video: Baby elephant sees ocean for the first time

To celebrate World Elephant Day ... It's an EarthSky favorite!

Iselle and Julio deliver one-two punch to Hawaii

More than 800 people on the Big Island went into evacuation shelters Thursday. Storm surges, high winds, downed trees and power lines, loss of electricity, blocked highways.

California fire clouds

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

Humid cities are worse urban heat islands than dry cities

In a study of 65 cities across N. America - some humid and some dry - poor "convection efficiency" in humid cities made the urban heat island effect more intense.

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.

Two views from space: California reservoirs drying up

Look at the difference in these two reservoirs north of Fresno, California, in contrasting satellite images from 2011 and 2014.