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 5:00pmTuesday 5:00pm

Is Extraterrestrial Life More a Dream Than a Real Possibility?

There is no getting around the fact that a lot of people would be very excited if extraterrestrial life existed. But while plenty of scientists are working hard to find it, others aren't as convinced—and a team of Princeton physicists has gone as far as publishing an academic article explaining exactly why they think… »4/27/12 4:27am4/27/12 4:27am