We Already Found Alien Life on Mars—But Scientists Accidentally Killed It, Controversial New Theory Claims

Fifty years ago, scientists recovered samples of potential extraterrestrial life, but may have unintentionally destroyed it during experiments.

View in Browser  SHOP EXCLUSIVE SUBSCRIBE We Already Found Alien Life on Mars—But Scientists Accidentally Killed It, Controversial New Theory Claims Fifty years ago, scientists recovered samples of potential extraterrestrial life, but may have unintentionally destroyed it during experiments. Read More An A.I. Fooled Humans and Passed the Turing Test. But It's a Red Herring for the Singularity. A study by scientists at UC San Diego found that OpenAI's large language model GPT-4.5 passed for human 73 percent of the time, but is this really an AGI breakthrough? Read More Tesla Is Trying to Build an Ecological Paradise. Too Bad It Literally Stinks. Elon Musk is looking to bolster the ecosystem surrounding Austin's Tesla factory. But his environmental track record sends a different message. Read More Scientists Built Holograms You Can Manipulate with Your Hands. This Is How the Future Feels. Sci-fi is here. Read More Archaeologists Excavating a Maya City Found a 1,700-Year-Old Altar. It Shouldn't Have Been There. The Mayan and Teotihuacan cultures did intermingle—but maybe not in good faith. Read More Psychedelics Could Transform How We Sleep—Or If We Even Need It at All, New Theory Claims Hallucinogens like DMT, psilocin, and LSD might rewrite the rules of sleep, blurring the line between dreams and reality. Read More Need Assistance? Contact Us. Follow Us Unsubscribe | Privacy Notice | CA Notice at Collection Popular Mechanics is a publication of Hearst Magazines. ©2025 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779