Earth, Light-Year and Planetary habitability

Earth' planet named HD 20794 d, which could have conditions suitable for lifeThe planet has a mass six times greater than ...
Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust ...
Ready for a show? On the night of March 13 into the early hours of March 14, a total lunar eclipse will occur as the moon moves into the Earth's umbra, or shadow, turning the bright white lunar ...
If you’re going to set a sci-fi movie on an alien planet, it’s a nice bonus if that planet actually exists. Or, at least, is ...
Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...
Astronomers have discovered not one, but four tiny planets orbiting Barnard’s Star, our cosmic neighbor. These planets, each ...
The four exoplanets orbit Barnard’s Star so closely that their years last only a few Earth days. They are probably rocky and, ...