Jul 31 Scientists Find Liquid Lake on Saturn’s Moon By PBS News Hour Researchers have spotted a liquid lake on Saturn's moon Titan, making that moon the first celestial body shown to have fluid on its surface. But this isn't a lake you'd want to swim in -- it's made up of ethane,… Continue reading
Jul 23 Why can’t the U.K.’s fuel efficient vehicles be sold in the U.S.? Question/Comment: Car companies such as Ford, GM and Toyota sell cars throughout the world. In examining the U.K. Web sites for these companies, even in cases where the car model is the same as the U.S. Continue reading
Mar 14 NASA Spacecraft Discovers Possible Seas on Saturn’s Moon By PBS News Hour Visual and radar images from NASA's Cassini spacecraft have revealed what seem to be several seas -- probably filled with liquid methane and ethane -- on the surface of Saturn's moon Titan. Continue reading