Science The Hubble Space Telescope found a galaxy that was completely formed within 480 million years of the Big Bang. How could gas and dust clouds condense into stars and organize themselves via gravity into an entire galaxy in less time than it takes the Milky Way to make two rotations?
Science Many exoplanets rotate around their sun in days instead of years, as in our solar system. How do you explain this, and how can they maintain their atmospheres with those incredible speeds?
Robotic Spaceflight, Science, Solar System, Space Exploration NASA returns to Jupiter 20 years after Galileo