About a month ago, some experts suggested that the coronavirus shutdown presented an opportunity to test the assumption that humans are responsible for increasing amounts of atmospheric carbon dioxide (CO₂).¹ If humans, rather than natural CO₂ sources, are responsible for this increase, then it is possible that the decrease in industrial activity over the past f

Astronomers have determined that a distant galaxy discovered three years ago is rotating, making it the most distant rotating disk galaxy yet observed.¹ This disk galaxy has been designated DLA0817g, but has been nicknamed the “Wolfe Disk,” after the late astronomer Arthur M. Wolfe.

An overview of the Milankovitch (or astronomical) ice age theory appears in the May 2020 issue of Physics Today.¹ This theory (hypothesis, really) holds that Earth’s rotational and orbital motions influence Earth’s climate over long ages, pacing the timing of ice ages.

The May 2020 issue of Astronomy magazine asks what might have once been seen as an unthinkable question: Is the Big Bang in Crisis?¹ The article cites four major problems with the model: 1) that the Big Bang implies that 95% of the universe’s content is unknown to us, 2) the inability of the Big Bang to explain the enormous matter/antimatter imbalance in the universe, 3) the