Jewelry can be very beautiful and add elegance to just about any situation. What about those events where it is quite dark ...
A rock that formed around 4.5 billion years ago on Mars before being blasted into space by a meteor strike and making its way to Earth contains telltale evidence that it was formed in the presence of ...
NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.