Van Allen Belts Protect Earth from Solar Wind
June 11, 2018
Geophysicists are still puzzling over how the earth's magnetic field and Van Allen radiation belts protect the surface from deadly particles in the solar wind.
Cassini Grand Verdict: Saturn Rings Younger Than Expected
August 30, 2017
With the orbiter's best-yet images and data now coming down, a long-running debate about the age of Saturn's rings is concluding in favor of youth.
Cassini Has Not Made Saturn’s Rings Old
August 7, 2017
After 13 years in orbit, Cassini data still show conflicting interpretations for the age of Saturn's rings.
Life Helps Protect the Planet
July 1, 2017
When humans make a mess of things, our fellow organisms try to help. That's no excuse for our failures to be good stewards.
Cassini Gets Higher Look at Saturn's Youth
December 10, 2016
Now entering its final dramatic high orbits, the Cassini spacecraft is finding unexpected things for an assumed old planet.
When Data Doesn't Fit the Consensus
October 8, 2016
Like evolutionists, climate scientists have ways of oversimplifying or neglecting inputs that could challenge their paradigm.
Radar Reveals Former Warm Landscape Under Greenland
July 18, 2016
Under the world's fastest moving glacier, radar has revealed a network of V-shaped canyons carved by temperate rivers.
Bad Assumptions Confuse Geological Ages and Processes
July 8, 2016
The best models in a scientific field can be overturned at any time when someone takes a critical look at the underlying assumptions.
Hundreds of Dino Tracks Found Eroding at Scottish Beach
December 4, 2015
Could these sauropod tracks have survived the ocean for thousands of years, let alone millions?
Geologists Have Underestimated Catastrophes
April 25, 2015
One Colorado storm in 2013 caused hundreds or thousands of years' worth of mountain erosion. This is causing a rethink on the power of catastrophic events.
Earth as a Habitable Planet
September 29, 2014
When viewed as a planet among planets, Earth is surprisingly surprising, considering how close it is to scientists' investigating eyes.
The Meek Control the Earth
September 6, 2014
How can such a small thing affect the geology and climate of the whole planet? Don't underestimate the power of small creatures.
Living Stalactites and Other Geological Surprises
August 19, 2014
Dripstones in caves can be made by microbes, some speleologists find. That's among several recent geological surprises.
Sandstone Arches Get New Explanation
August 12, 2014
The national park signs may need updating.
Grand Canyon Age Changes Again
January 27, 2014
Is the Grand Canyon old or young? Both, geologists are now saying. The latest theory, though, is unlikely to end the 140-year debate.