space
There’s Growing Evidence That Venus Was Once Habitable

If you could hop in a time-travelling spacecraft, go back three billion years and land any place in our solar system, where would you want to end up? Earth, with its barren continents and unbreathable atmosphere? Or Mars, a chillier version its big brother? Wait, what about Venus? Read More >>

space
One of the Best Explanations Why We Haven’t Found Alien Life

So far, the only examples of sentient life we’ve found are right here on our own planet. It’s not for lack of trying, though—we’ve sent out spacecraft deep into the reaches of our galaxy and, so far, still remain alone. What if the problem isn’t where where looking, though, but when? Read More >>

space
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 prioritise future targets for close-ups from NASA’s yet-to-be-launched James Webb Space Telescope and other instruments. Read More >>

space
Kepler Telescope Just Found the Most Earth-Like Exoplanets Ever Discovered

Kepler just can't stop discovering exoplanets. Nearly two years after scientists said it was crippled, the planet-hunting telescope recently identified eight new planets. But that's not all. They're all in the Goldilocks zone of their respective stars, and two of them are more Earth-like than anything astronomers have ever seen. Read More >>