The minifridge-sized rock, studded with green crystals, doesn’t dazzle; it bewitches. Many have coveted it. Some have died coveting it. A few have been sent to prison over it. People ...

Every now and then, one of the robots on Mars sends back a picture of an unusual rock it has found on its journeys. After all, that's one of the reasons we sent them there. These can range from the ...

An extraordinary journey: The atomic make-up of small crystals in the rock reveals ... And this is where our small green sandstone rock comes into the story. Those mid-Pliocene sea-levels imply ...

For centuries, mineralogists believed the green crystals to be a variation of another ... London The mineral was discovered within a rock specimen that has been at the Natural History Museum ...