hypothesis

The Lab-Leak Hypothesis Made It Harder for Scientists to Seek the Truth

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Whenever scientific findings threaten people’s sense of control over their lives, conspiracy theories are never far behind. The emergence of novel viruses is no exception. New pathogens have always been accompanied by conspiracy theories about their origin. These claims are often exploited and amplified—and sometimes even created—by political actors. In the 1980s the Soviet KGB … Read more

13,000 Years Ago, a Firestorm Covered 10% of Earth’s Surface, Triggering an Ice Age

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At a point some 12,800 years ago, a tenth of Earth’s surface suddenly became covered in roaring fires. The firestorm rivalled the one that wiped out the dinosaurs, and it was likely caused by fragments of a comet that would have measured around 100 kilometers (62 miles) across.   As dust clouds smothered Earth, they … Read more

Do we live in a simulation? The problem with this mind-bending hypothesis.

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Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of “Ask a Spaceman” and “Space Radio,” and author of “How to Die in Space.” Sutter contributed this article to Space.com’s Expert Voices: Op-Ed & Insights. Is everything we know and experience, up to and including reality itself, a simulation … Read more