Author Archives: Avi Loeb

Was Our Universe Created in a Laboratory?

Developing quantum-gravity technologies may elevate us to a “class A” civilization, capable of creating a baby universe

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Microbes, Natural Intelligence and Artificial Intelligence

Humanity’s greatest achievement might be building our successors

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How to Search for Life as We Don’t Know It

Much of astrobiology is focused on looking for organisms with chemistry similar to ours—but there could well be other kinds

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Astronomers Should be Willing to Look Closer at Weird Objects in the Sky

The Galileo Project seeks to train telescopes on unidentified aerial phenomena

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Note to Branson and Bezos: Extraterrestrials Will Not Be Impressed

If they exist, they’ll find our puny forays into space completely insignificant

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Looking for Interstellar Monuments

An ancient civilization from a distant star could have created immortal machines to roam the Milky Way and keep its legacy alive

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To Look or Not to Look? That Is the Question

The search for technological relics of extraterrestrial civilizations will inspire the public and attract talent to the field of astronomy

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To Look or Not to Look? That Is the Question

The search for technological relics of extraterrestrial civilizations will inspire the public and attract talent to the field of astronomy

— Read more on ScientificAmerican.com

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To Understand UAP, We Need Megapixel Imagery

If any of them represent advanced technology, high-resolution photographs might tell us whether they’re metaphorically labeled “Made in China” or “Made on Exoplanet X”

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How to Tell if Extraterrestrial Visitors Are Friend or Foe

They’ll most likely be robotic, guided by AI—so we’ll need our own AI to figure it out

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What We Can Learn from Studying UFOs

If they’re really aliens—and they’re benevolent—studying them could potentially transform the prospects for human knowledge and progress

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A Possible Link between ‘Oumuamua and Unidentified Aerial Phenomena

If some UAP turn out to be extraterrestrial technology, they could be dropping sensors for a subsequent craft to tune into. What if ‘Oumuamua is such a craft?

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Searching for City Lights on Other Planets

There’s a detectable difference between a planet shining with reflected light and a planet glowing with its own artificial illumination

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Death by Primordial Black Hole

If such an object a mere thousand times bigger than an atom passed through your body, the result would not be pretty

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Creative Thinking in both Science and the Arts Is Not for the Faint of Heart

To put it another way, be yourself; everyone else is already taken

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Maybe Dark Matter Is More Than One Thing

If so, it could explain some inconsistencies in our observations

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How to Avoid a Cosmic Catastrophe

An interstellar treaty with other advanced civilizations could stave off death by domain wall

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When Scientific Orthodoxy Resembles Religious Dogma

Those who refuse to consider an unconventional idea in science are disturbingly similar to those who refused to look through Galileo’s telescope 

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Stars That Race through Space at Nearly the Speed of Light

Some are blasted out of galaxies by interactions with black holes; others, which orbit supermassive black holes, can smash together in titanic explosions

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When Did Life First Emerge in the Universe?

We don’t know, but we could try to find out by searching for it on planets orbiting the very oldest stars

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The Shrapnel That Killed the Dinosaurs

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

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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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