evolution
The Early Earth was Really Horrible for Life
Earth has had a long and complex history since its formation roughly 4.5 billion years ago. Initially, it was a…
Life on Earth Needed Iron. Will it be the Same on Other Worlds?
A lot has to go right for a planet to support life. Some of the circumstances that allow life to…
Researchers May Have Found the Missing Piece of Evidence that Explains the Origins of Life
A team of researchers have shown how the basic building blocks of life could have arose on a primordial Earth,…
Language in the Cosmos I: Is Universal Grammar Really Universal?
Is there any way we can hope to communicate with aliens? Will they have a concept of language as we…
Could We Marsiform Ourselves?
Changing another world to support Earth life is called terraforming. But maybe it's a better idea to just change Earth…
Alien Minds Part III: The Octopus’s Garden and the Country of the Blind
If we do discover that there are aliens orbiting other planets, will we know how to communicate with them? What…
Alien Minds Part II: Do Aliens Think Big Brains are Sexy Too?
Can we assume that aliens will evolve intelligence over the eons, and will this lead to other technological civilizations? Will…
Alien Minds I: Are Extraterrestrial Civilizations Likely to Evolve?
Paul Patton begins a three-part series on the evolutionary biology of aliens. Will they follow the same direction as life…
Nearby Supernovas Showered Earth With Iron
We all know that we are "made of star-stuff," with all of the elements necessary for the formation of planets and even…
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Mars Loses an Ocean But Gains the Potential for Life
It's hard to believe it now looking at Mars' dusty, dessicated landscape that it once possessed a vast ocean. A…