Where Are the Earth's Impact Craters?
July 13, 2015
The number of impact craters on Earth is almost negligible compared to Mars and the moon. Can erosion explain this?
VIEW HEADLINES ONLY
Mercury, Moon May Still Be Erupting
October 17, 2014
Two objects that should be old and dead show surprising activity. Other indications of youthfulness in the solar system are noted.
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?
Crater Count Dating Still Unreliable
May 22, 2012
Worries about the crater count dating method, widely relied upon to infer ages of planetary surfaces, began emerging in 2005. Those worries have not subsided; they have only grown worse. Crater numbers may have nothing to do with age.