• Is our Sun part of a binary star system? An unseen companion star, nicknamed "Nemesis," may be sending comets towards Earth. If Nemesis exists, NASA´s new WISE telescope should be able to spot it.
    more...
  • Scientists and students interested in astrobiology will want to make an odyssey to two conferences this year: AbSciCon and AbGradCon.
    more...
  • The Obama Administration plans to cancel NASA´s Constellation program that was to take American astronauts back to the Moon. Instead, NASA will oversee a competition among commercial space developers to come up with the technology to reach the stars.
    more...
  • Super Earths are named for their size, but these planets – which range from about 2 to 10 Earth masses – could be superior to the Earth when it comes to sustaining life. They could also provide an answer to the ‘Fermi Paradox´: Why
    more...
  • The Evogrid is a proposed computerized version of the primordial soup. Digitally simulating virtual particles could help answer the question of how life originated on Earth, and perhaps even spread life to other worlds.
    more...
  • When will humans visit Mars? Charles Cockell, a microbiologist who studies life in extreme environments, believes we have the necessary technology to go today if we really wanted to.
    more...
  • Mars has two tiny asteroid-like moons, Phobos and Deimos. The moons have not been the focus of Mars studies, but there are several missions in the planning stages that aim to change that.
    more...
  • Life´s Crystal Code
    What do we have in common with a crystal chandelier? We´re both made of material that replicates its own structure. In our case it´s DNA, while the crystals in the chandelier grew from minerals like quartz. One scientist thinks for early life on Earth, certain
    more...
  • Life´s Crystal Code
    What do we have in common with a crystal chandelier? We´re both made of material that replicates its own structure. In our case it´s DNA, while the crystals in the chandelier grew from minerals like quartz. One scientist thinks for early life on Earth, certain
    more...
  • Scattering the Seeds of Life
    Some astrobiologists think life may have arrived on Earth inside a comet or meteorite. Calling this process "Panspermia" is misguided, says a historian who has studied the evolution of thought about life´s origin.
    more...