New Scale Pinpoints Most Life-Friendly Alien Planets 


Researchers at the University of Washington’s Virtual Planetary Laboratory have devised a new habitability index for judging how suitable alien planets might be for life. The point of the exercise is to help scientists prioritize future targets for close-ups from NASA’s yet-to-be-launched James Webb Space Telescope »10/06/15 6:15pmYesterday 6:15pm

What Kinds of Life Forms Could Actually Live on Mars?

Yesterday, NASA reignited our hopes of finding alien life when it announced the first direct evidence of liquid water on Mars. But before we start indulging in fantasies of space crabs and reptilian beings, we ought to remember that Mars is a frigid world with a thin atmosphere. And that raises an obvious question:… »9/29/15 4:00pm9/29/15 4:00pm