Is 3I/ATLAS an Alien Artifact?

Is 3I/ATLAS an Alien Artifact?

3I/ATLAS is only the third interstellar object we’ve ever seen — but could it really be an alien artifact, or just another comet with unusual traits? Watch my exclusive video The Economics of Immortality:...

read more
Life on Mars? Perseverance’s Sapphire Canyon Discovery

Life on Mars? Perseverance’s Sapphire Canyon Discovery

NASA’s Perseverance rover may have found the best hint yet of Martian life — strange minerals in Jezero Crater that could be microbial fingerprints… or just clever geology. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur...

read more