There's a radical theory that life on Earth came from Mars

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: Did life on Earth actually originate on Mars? How is this possible? Scharf explains.

You can learn more from Scharf by reading his latest book “The Copernicus Complex.

Follow Tech Insider: On Facebook

Business Insider Emails & Alerts

Site highlights each day to your inbox.

Follow Business Insider Australia on Facebook, Twitter, LinkedIn, and Instagram.