LifeTitan's tides reveal hidden ocean that could host life Combined with its organic resources, abundant liquid water could make Saturn's moon prime real estate for alien life – but that depends on the state of the ocean 51¶¯Âþ
SpaceNumber of asteroids that pose risk to Earth is doubled The asteroid-tracking NEOWISE mission reveals that twice as many asteroids as previously thought are on low-inclination orbits that could hit our planet 51¶¯Âþ