But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an ...

The puzzling behavior of Titan's atmosphere has been revealed. The team has shown that the thick, hazy atmosphere of Saturn's largest moon doesn't spin in line with its surface, but instead wobbles ...

NASA has observed new signs of life on Venus, hinting at activity beneath the planet's surface. Although the research ...

NASA had a surprise ... Laboratory/Southwest Research Institute/Goddard Space Flight Center The announcement comes amid surging interest in a U.S.-led mission to Venus, which some planetary ...