Earth has had a long and complex history since its formation roughly 4.5 billion years ago. Initially, it was a…
A lot has to go right for a planet to support life. Some of the circumstances that allow life to…
A team of researchers have shown how the basic building blocks of life could have arose on a primordial Earth,…
Is there any way we can hope to communicate with aliens? Will they have a concept of language as we…
Changing another world to support Earth life is called terraforming. But maybe it's a better idea to just change Earth…
If we do discover that there are aliens orbiting other planets, will we know how to communicate with them? What…
Can we assume that aliens will evolve intelligence over the eons, and will this lead to other technological civilizations? Will…
Paul Patton begins a three-part series on the evolutionary biology of aliens. Will they follow the same direction as life…
We all know that we are "made of star-stuff," with all of the elements necessary for the formation of planets and even…
It's hard to believe it now looking at Mars' dusty, dessicated landscape that it once possessed a vast ocean. A…