When it comes to the essential building blocks of life, an interesting theory is doing the rounds. The panspermia hypothesis suggests that life's building blocks are widespread throughout the ...

Astronomer and director of the multidisciplinary Columbia Astrobiology Center at Columbia University, Caleb Scharf, spoke to us about a interesting idea that has plagued scientists for decades ...

We have no way of proving that panspermia has ever actually occurred. Earth is the only planet we know of that has ever hosted life, so we have no way of knowing whether it’s a valid theory ...