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…

1 week ago

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…

1 month ago

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,…

3 years ago

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…

4 years ago

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…

5 years ago

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…

6 years ago

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…

6 years ago

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…

6 years ago

Nearby Supernovas Showered Earth With Iron

We all know that we are "made of star-stuff," with all of the elements┬ánecessary for┬áthe formation of planets and even…

6 years ago

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…

7 years ago