In the wake of the deaths of 16 Nepalese guides on Mount Everest in April 2014, many groups push for reform of climbing expedition practices.
NASA scientists were in the right place at the right time this summer to capture photos of a fresh landslide, caused by an Alaska earthquake.
Major Hurricane Odile struck the Baja Peninsula and left extensive damage and flooding across the area. Photos of the damage and firsthand reports, here.
Spinosaurus was the largest known predatory dinosaur to roam the Earth. Scientists now say that it was also the first truly semiaquatic dinosaur.
The most recent rise in carbon dioxide is the largest annual change seen for this gas since 1984.
The startling results of a new survey include 17 previously unknown monuments and dozens of burial mounds surrounding Stonehenge.
Cloud streets are long rows of cumulus clouds that are oriented parallel to the direction of the wind. Check out these cool images!
Evolutionary biology can explain skunks’ striking appearance, but only chemistry can get rid of the smell.
The recent volcano eruptions in Iceland have created enormous circular depressions in two of the country’s glaciers.
In case you missed it! Photos of the 2014 Harvest Moon from EarthSky friends.
The Montreal Protocol put the brakes on ozone-depleting chemicals 30 years ago. But one compound is still abundant in Earth’s atmosphere. Where’s it coming from?
In a conservation success story, the number of California blue whales has rebounded to near historical levels after being hunted to near extinction.
Saturday, September 6, 2014, is the first World Shorebird Day. How to participate, here.
Residents in the path of the new lava flow at Hawaii’s Kilauea Volcano are being urged to finalize their evacuation plans.
Researchers have uncovered a 77-million year old, plant eating, super-massive Titanosaur. The huge animal weighed as much as a herd of elephants.
Physiologically and evolutionarily, the hoatzin is a fascinating bird. Just hold your nose when you’re near it.
With ongoing climate change, the long view of future drought risk in the U.S. Southwest is not a pretty picture, say scientists.
Australian multimedia artist Andy Thomas creates 3D animations of bird songs. He calls them “audio life forms.”
Observers around the world are watching the Bárðarbunga volcano in Iceland. Read about four likely scenarios for what might happen next.
Watch the video in this post, and become one of the first people on Earth to see the famous sliding stones of Death Valley’s Racetrack Playa in motion.