The Climate Is Not Clear for Change
September 19, 2016
Whenever you hear "all scientists agree," watch out. Groupthink may be at work.
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Dawn of a Young Ceres
September 10, 2016
The largest asteroid has a problem: she's too young to get a date.
Giant Rockfall Enlarged Zion Canyon Recently
May 28, 2016
Within Bronze Age dates, a cataclysmic landslide enlarged Zion Canyon, forming a large lake.
Tiny Enceladus Beats Saturn in Plasma Output
February 17, 2016
An astonishing case of the tail wagging the dog: tiny moon is major source of plasma in Saturn's magnetosphere.
Land Animals Can Raft Across Oceans
February 13, 2016
A research study about floating plastic debris illustrates how animals can cross oceans on floating rafts.
Updates from Outer Planets
January 9, 2016
Let's review some of the latest news from missions to the outer planets.
Separating Old Bones from Living Storytellers
January 5, 2016
What happens when discrete bones are forced into a continuous narrative where they don't fit? Answer: storytelling.
Pounding Headaches for Solar System Dates
October 19, 2015
It's hard to tell when things crashed into each other.
Experts Misled Public About Yellowstone Fossil Forests
September 28, 2015
The old story of successive forests buried over long ages silently disappeared from Yellowstone park signs without remorse or apology.
New Pluto Images Even More Perplexing
September 25, 2015
Pluto has terrain like no other world, leaving scientists perplexed; Enceladus' activity is also inexplicable for "geologic time".
Will Pluto Surprise Scientists?
July 9, 2015
First-time encounters have a long history of shocking planetary scientists with unexpected features. It's about time for Pluto.
Desperately Seeking Life Beyond Earth
July 7, 2015
Earth life cannot be unique. How about you, Mars? Europa, anything? Enceladus? Comet 67P? Please break the silence!
Fire and Brimstone: Why Earth Isn't Like Venus
June 28, 2015
Both planets have abundant sulfur, but Earth life has a way of cycling it for good.
Instant Islands and Ecology
May 19, 2015
A new volcanic island near Japan recalls the rapid colonization of Iceland's Surtsey island in 1963.
Neanderthal News and the Limits of Organic Material Survival
May 13, 2015
Red blood cells and DNA samples raise questions about the decay time of soft tissue and genetic material.