Returning to a Young Moon
November 15, 2022
On the eve of the Artemis launch, questions about the age and formation of the moon have resurfaced.
NASA Goes Loony: Moon Formed in Mere Hours?
October 4, 2022
Is it clickbait? NASA is claiming the moon formed within hours after a collision.
Full Moon Has Magnetic Secret
December 5, 2014
Ponder this under tonight's full moon. Scientists now say the moon once had a magnetic field stronger than Earth's is now.
Lunar Impact: Major Moon Basin Was Not a Big Hit
October 8, 2014
The theory of how the largest impact basin on the moon was formed has been turned upside down.
Moon's Origin and Age Solved?
April 9, 2014
A number of popular articles are claiming the moon's age is all but solved, until one reads below the headlines.
Record Impact on Moon Ups Cratering Rate Estimates
March 2, 2014
The brilliant flash lasted 8 seconds on 9/11 – 2013, that is – the brightest impact ever witnessed on the moon.
Fresh Impacts Viewed on Mars, Moon
May 21, 2013
New impacts observed on the moon and Mars allow space scientists to learn about crater formation in near real time. What conclusions can be drawn?
Lunar Impact Theory Is All Wet
February 21, 2013
Significant amounts of water in lunar rocks cast into doubt the popular impact theory for the origin of the moon.
Another Crash in Lunar Tunes
August 4, 2011
Our moon has two faces. One is the familiar man-in-the-moon side that always faces Earth. The other side is mountainous and heavily cratered, possessing a thicker crust with almost none of the large impact basins we see as dark maria on the Earth-facing side. The giant impact theory for the origin of the moon – that a Mars-size object hit the Earth and the debris coalesced into our planetary companion – has been controversial since it was first proposed. Will adding another impact help? It all depends on what one means by “scientific progress.”