Milky Way May Have 9 Planets AgainScientists say they finally have "solid evidence" for Planet X, a true ninth planet on the fringes of our solar system.
Astronauts Fix Space Station Power Grid; Water In HelmetTwo spacewalking astronauts — including Britain's first — successfully restored full power to the International Space Station on Friday after replacing a broken electronic box.
Report: Astronauts Could Land On Mars By 2039NASA could send astronauts to Mars by 2039, a new report by The Planetary Society says.
Private Moon-Drilling Mission Raises Over $1M Through CrowdfundingLunar Mission One, a private space exploration project that's aiming to drill below the moon's surface, has raised 672,447 pounds, or about $1.05 million through crowdfunding.
Freeze, Burn, Shake: Extreme Testing Ensures Satellite Equipment Will Withstand SpaceProtecting the military's most sensitive information begins in the most unusual of places.
Study: European Spacecraft Could Find 70,000 New Alien WorldsThe European Space Agency's Gaia mission could potentially find up to 70,000 new exoplanets in the Milky Way.
NASA Finds 'Massive' Black Hole In Tiny GalaxyThe black hole is five times as massive as the one in the center of our Milky Way in a galaxy that is 1/500th the size.
Scientists Discover The Most Earth-Like Planet Ever FoundConditions on the "Goldilocks" world may be just right for life.
Solar Flare Expected To Hit Earth On Friday The 13thA cloud of plasma from the sun could cause communications blackouts.
Astronomers Find Star That Will Gobble Up Its PlanetsKepler-56 will devour two of its planets as it balloons into a red giant.
Report: NASA Needs More Money And Focus Before Sending People To MarsNational Research Council says a steady hand and lots of money is the only way for NASA to fulfill its quest for Mars.
Scientists: The Universe's Most Common Stars Could Make Alien Life ImpossibleRed dwarfs are the most common stars in the universe, but their solar winds may blast a planet's atmosphere into space.