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![Ask an Astrobiologist](https://webarchive.library.unt.edu/eot2008/20090305064307im_/http://astrobiology.nasa.gov/img/text/ask-an-astrobiologist.gif)
"Are there any Earth like mountains on the Moon, or are all the raised features the result of impacts?"
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Echoes of Extinction
The mass extinction of the dinosaurs and many other organisms 65 million-years-ago has left lasting effects on the evolution of life on Earth. A team of NASA-funded researchers has performed a global study on marine bivalves, and the results indicate that these organisms began originating new species faster than ever following the end of the Cretaceous period.
Source: [Astrobiology Magazine]
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