For the last decade, astronomers have observed curious “hotspots” on Saturn’s poles. In 2008, NASA’s Cassini spacecraft beamed back close-up images of these hotspots, revealing them to be immense ...

Sept. 12 (UPI) --Tropical Storm Mario is small but strengthening off the west coast of Mexico Friday. The latest update from the National Hurricane Center was at 4:23 a.m. Friday. It said Mario is a ...