Author Archives: Avi Loeb

The Shrapnel That Killed the Dinosaurs

Science provides knowledge of objects that threaten the Earth, and the means to deflect them

— Read more on ScientificAmerican.com

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Did a Supermassive Black Hole Influence the Evolution of Life on Earth?

The idea isn’t as crazy as it might sound

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Why Do We Assume Extraterrestrials Might Want to Visit Us?

The idea presumes we’re inherently fascinating, but that’s not necessarily the case

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The Empty Half of the Glass May Also Be Full

How many scientific breakthroughs have been lost because they came from outside the mainstream?

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Black Holes Are Finally Trending

A Nobel Prize is just the latest proof that a concept rejected by Einstein in 1939 has become one of the hottest topics in physics

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What if We Could Live for a Million Years?

Vastly extended life spans would bring dazzling opportunities—and daunting risks

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In Search of Naked Singularities

The “cosmic censorship” hypothesis says they shouldn’t exist—but is it possible that we’ve already detected them and misinterpreted their nature?

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