NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.
Although Mars is currently a cold, dry planet, geological evidence suggests that liquid water existed there around 3 to 4 ...
Death at the Sign of the Rook is an expansive novel that pokes fun of baroque, classic murder mysteries — but also delivers a fully satisfying, all-the-pieces-click-together ending.
This discovery indicates that formaldehyde contributed to the formation of organic matter on ancient Mars, implying that bio-important molecules such as sugars and ribose (a component of RNA, which is ...