• The First Plants Caused Ice Ages : February 3 2012
    When the first plants evolved on Earth some 470 million years ago, they may have triggered a series of ice ages. The study provides new insight into the links between the climate and biosphere of Eart
  • Elements of ExoPlanets : February 2 2012
    By looking at the wavelengths of light from nearby stars, researchers have determined the abundance of certain elements for more than a hundred stars. Trace elements in such stars may influence their
  • Super-Earth Detected in Star s Habitable Zone : February 2 2012
    Astronomers have discovered a potentially habitable super-Earth orbiting a nearby star.
  • How Well Can Astronomers Study Exoplanet Atmospheres? : February 1 2012
    Exoplanets are now being discovered at pace, and some have been described as "Earth-Like." These claims are often based on the distance between the exoplanet and its host star. Unfortunately, this dis
  • Earth s Missing Energy : February 1 2012
    Using 10 years of data from atmospheric and oceanic data, scientists are providing new information about the energy balance of Earth.
  • Underwater Caves Provide Clues to Life Beyond Earth : January 31 2012
    Discoveries in underwater caves could help scientists understand how life arose in ancient oceans on Earth - and possibly how similar life could survive on other worlds.
  • Radiation En Route to Mars : January 31 2012
    The Radiation Assessment Detector on the Mars Science Laboratory spacecraft measured radiation from a recent solar storm, providing valuable information for future human space exploration.
  • What Happened Prior to Snowball Earth? : January 30 2012
    A new study suggests that geochemical records found in rocks prior to the glaciation event known as Snowball Earth are unrelated to the glaciation itself.
  • Ground Truth : January 30 2012
    A team of scientists has traveled to remote Laguna Negra in the central Andes of Chile to test technologies that could one day be used to explore the lakes of Titan. While the Planetary Lake Lander (P
  • Life on Dead Hydrothermal Vents : January 29 2012
    Scientists have discovered evidence that life continues at hydrothermal sea vents, even after the vents themselves go dormant. The study sheds light on how microbial communities survive in one Earth s
  • New Theory of Life Claims to Unite Fields of Science : January 29 2012
    A new theory asserts that the Earth is alive - including purportedly inanimate, non-living objects like water, proteins and DNA.
  • Eight Years of Opportunity : January 28 2012
    Eight years after landing on Mars, NASA s Opportunity rover is still returning important data about the potential for past life on the red planet. Five months ago, Opportunity reached Endeavour Crater
  • Vesta is Cold and Dark Enough for Ice : January 28 2012
    Half of the giant asteroid Vesta is expected to be so cold and to receive so little sunlight that water ice could survive.
  • A New Clue into the Origin of Life : January 27 2012
    A new study is helping to establish the origin of the carbohydrates that form the building blocks of life.