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…

11 months 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…

12 months 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…

6 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…

7 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…

7 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…

7 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…

7 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…

8 years ago