Butterfly numbers are dropping but here are five species you may see more of — A warming climate has helped some to flourish, researchers say, but the outlook is troubling.
Look Up! - NASA — Astronauts Sophie Adenot of ESA (European Space Agency) and Jack Hathaway of NASA, both Expedition 74 flight engineers, look out a window in the cupola,
Mercury may have gained all of its unexpected water in a single day — Despite being the closest planet to the sun, Mercury has thick deposits of ice at its poles, and now we may understand the events that formed them over just one Mercurian day