Geology Fails Oxygen Test
March 4, 2014
A rock used as a signature for the rise of oxygen in the early earth turns out to be misleading and useless for dating.
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If the Big Bang Is the Answer, Why Are There So Many Questions?
February 25, 2014
Any scientific explanation that leads to more questions than answers should be considered suspect.
The Spin on Planets
February 18, 2014
As the orbs whirl around Sol, human understanding of our space neighborhood rises and falls.
Tree Crocodiles and Other Surprising Animals
February 15, 2014
Scientists have a lot to learn about living animals before presuming to speak of long-lost extinct ones.
New Craters Found on Mars
February 13, 2014
Orbiters can count new craters forming on Mars, refining cratering rates. One spectacular new crater has appeared since 2010 with vivid rays.
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.
Turkeys Aren't Stupid
January 26, 2014
Turkeys that are inspiring homeland security technology are just one example of hot designs engineers are finding in the biosphere's treasure chest.
Another Geyser World Erupts: Asteroid Ceres
January 23, 2014
The asteroid Ceres is popping off with water vapor on two sides. What's that world coming to? One thing is sure: DAWN is coming to it.
Miller-Urey Spark Discharge Experiment Resurrected
January 21, 2014
Technicians provide detailed instructions how to spark gases to make amino acids without causing explosions in the lab.
Amazing Animals
January 18, 2014
The capabilities of animals large and small continue to fascinate scientists and the public. Here are some recent findings.
Formation Flight Physics Mastered by Birds
January 16, 2014
Birds fly in that beautiful V formation for a reason, and it requires sophisticated abilities in high precision aerodynamics.
Hand of God Is Not Nebulous
January 13, 2014
An exploded star that resembles a giant hand provides opportunity to discuss theology and intelligent design.
Hubble Finds Early Large Galaxies
January 9, 2014
The latest deep space image by the Hubble Space Telescope shows many small galaxies near the beginning, but large ones, too.
Dark Matter Search Tinkers with Mythology
January 6, 2014
They can't find it, but it must be there. How long can that approach be sustained?
Origin of Life Faces Four Paradoxes
December 31, 2013
One show-stopper is enough, but a veteran origin-of-life researcher acknowledges four paradoxes in origin-of-life research that have never been solved.