silica

Peculiar ‘Cauliflower Rocks’ May Hold Clues To Ancient Mars Life

An Arizona State University research team hypothesizes that strange "cauliflower-shaped" rocks discovered by the Spirit Rover in 2008 may have…

8 years ago

Cosmic C.S.I.: Searching for the Origins of the Solar System in Two Grains of Sand

"The total number of stars in the Universe is larger than all the grains of sand on all the beaches…

11 years ago