Analysis of the chemical make up of two asteroids in the outer asteroid belt has thrown the classification system for these small bodies, which orbit between Mars and Jupiter, into disorder. The ...

“The relatively young age of the basalts (retrieved by Chang’e-6) is surprising along with the composition being practically devoid of radioactive elements,” Neal said via email.

Current issues are now on the Chicago Journals website. Read the latest issue.One of the oldest journals in geology, The Journal of Geology (JG) has since 1893 promoted the systematic philosophical ...