What the Apollo Rock Samples Revealed About the Moon
July 19, 2019
The lunar rocks changed what scientists thought they knew about our satellite, but raised many more questions.
Oldest Animal Cave Painting Baffles Evolutionary Anthropologists
November 7, 2018
How did cave art of animals appear on opposite sides of the world at the same time? What’s being called the oldest cave painting of an animal has been dated by evolutionary anthropologists at a minimum of 40,000 years old. The baffling thing is that similar cave art in Europe dates to roughly the same […]
Late Heavy Bombardment Myth Is Dying
January 24, 2018
A favorite tale from the Apollo era, the so-called Late Heavy Bombardment, is being bombarded itself.
Beware of Overconfident Dating Methods
October 27, 2017
Simplistic presentations about how scientists date rocks overlook the worldview assumptions involved.
Doubts About Dates and Climate
February 4, 2017
New findings cast doubt on scientists' ability to be certain about their consensus views.
Radiation, Mistakes, and Assumptions
August 19, 2016
Three news items about atomic radiation should cause us to beware of academic overstatement.
"Fundamental Assumption" in Zircon Dating Called into Question
February 15, 2016
A commonly-used dating method has been threatened by new findings that undermine assumptions.
Radiocarbon Dating Becoming Unreliable
August 6, 2015
Your T-shirt could soon contain the same carbon-14 as William the Conqueror's robe from 1066 AD, scientists warn.
Blow to Supernova Nucleogenesis Theory
January 20, 2015
There's 100 times less of a radioactive element on the ocean floor than expected.
November 19, 2014
We need to clear the deck of geology news. Here's a garage sale of interesting headlines, provided "as is" for researchers to pursue further.
Indonesian Cave Paintings Shake Up Art History
October 14, 2014
Asians were not supposed to be so culturally talented 40,000 years ago, but their cave art shows the same finesse seen in contemporary European caves.
Of Molecules and Men
September 27, 2014
Atoms and molecules are tiny but can have a big influence on the habitability of planets and astrobiologists' theories about them.
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.
The Trouble with Zircons
March 25, 2013
Geologists' favorite tool for dating rocks at millions and billions of years old has revealed problems with interpretation.
Discovery Upsets Geological Dating
November 17, 2011
For a long time, geologists have used microscopic crystals called zircons as “time capsules” for dating rock strata. The tiny crystals are so durable it was believed they were virtually impermeable. Now, however, inclusions inside the zircons appear to be vastly different in age. This could have drastic effects on how certain formations are dated.