Lone astronaut votes for president from space this week.
Leaked NASA papers sees fuel-free engine working for a mission to Mars.
SpaceX discovers cause of rocket explosion, may resume launch next month.
Galaxy collision forms into a dazzling "eye" in the universe.
NASA-FEMA has plans in case of probable asteroid impact.
NASA worried about Elon Musk's plan to fuel SpaceX rockets.
NASA finally finshes construction of next-generation James Webb telescope
Scientists find rare triple star system at a young stage -- only about 150,000 years old.
TMT board will have to find a plan B if approval for construction does not go through.
Saturn's beauty may have come from carcasses of dead dwarf planets like Pluto, scientists find.
Don't miss the super supermoon this November -- the biggest in 70 years.
NASA is looking for companies to give ideas as to how to examine the moon.