Mars Meteorite Shakes Up Stories of Solar System Formation
June 17, 2022
A long-held assumption about isotope ratios contradicts prevailing views about planet formation.
Evaluating Claims of Oldest Fossil Microbes
December 21, 2017
Are these fossils 3.45 billion years old? Are they even fossils? Serious questions need to be asked when the news gets excited about world records for oldest life on Earth.
Earth Magnetic Field Plays Music
February 25, 2017
Like a finely-tuned instrument, the earth's magnetic field creates standing-wave vibrations as it protects life.
Doubts About Dates and Climate
February 4, 2017
New findings cast doubt on scientists' ability to be certain about their consensus views.
Cave Climate Conclusions Compromised
December 22, 2016
Widely used to infer past climates, isotope measurements from stalactites and stalagmites in caves can mislead researchers.
Big Bang's Lithium Problem Gets More Problematic
September 15, 2014
There's no escape; new measurements show far less lithium than predicted by the big bang, and more fine tuning than would be expected by chance.