The search for life on Saturn's moon Titan shows that organisms appear to thrive on far less water than conventional wisdom holds is needed to keep microbes active and alive.
Saturn's frigid moon Titan is not a candidate for Earth-like life. But its methane seas are forcing some scientists to wonder if life in the universe might develop in other ways, too.
The Cassini Equinox Mission at Saturn has added this close-up portrait of Calypso to its family album of the ringed planet's satellites.
Pagan festivals or Stravinsky's 'The Rite of Spring' come to mind on the Spring equinox, but one little-known tradition brings a little foot freedom to the first day of Spring.
Pope Benedict XVI arrives to lead a special audience with the Italian civil protection department at the Paul VI Hall in the Vatican March 6.
The discovery of shrimp (lyssianasid amphipod) under the Antarctic ice could mean life is sustainable on other planets.
For the first time, astronomers detected the fluorescent signature of an exoplanet's atmosphere. Fluorescence can give scientists clues about processes that might make a planet habitable for life.
CoRoT-7b is so close to its parent star – and so hot – that scientists think it could be the remnant of an evaporated ‘hot Jupiter.’
Floating mountains? Glowing plants? They're in 'Avatar,' and they're not beyond the realm of scientific possibility.
As exploring the heavens becomes more expensive, many experts think it is time for nations to band together to push humanity to the next threshold of space exploration.