While there’s no concrete consensus on a list of prerequisites for life to evolve on other planets, there are at least a ...
On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a mission to study Jupiter and its moons. It also flew by Venus and ...
Images from NASA's Galileo mission reveal a tantalizing starburst-like feature. Scientists call it a "wall demon." When you purchase through links on our site, we may earn an affiliate commission.