Experimental Quantum Gravity: Bridging the Gap Between Quantum Mechanics and General Relativity
Avi Loeb explores how experimental quantum gravity approaches may one day help to connect the dots between quantum mechanics and general relativity.
Avi Loeb
Life in the ‘Big Crunch’: What If the Velocities of All Particles in the Universe Suddenly Reversed?
What would happen if the velocities of all particles in the Universe underwent what physicists call 'Big Crunch'? Avi Loeb explores in this Thanksgiving installment of 'Our Cosmic Neighborhood.'
Did Earth Once Have Saturn-Like Rings? Scientists Say Ring Theory Could Explain a Mysterious Ancient Event
New research reveals Earth likely had Saturn-like rings 466 million years ago. Now scientists say this could point to evidence of an ancient unexplained climate event.
Neutrinos Can’t Travel Faster Than Light. Here’s What That Means for Black Holes
Faster-than-light neutrinos would be able to escape from the spacetime prisons of black holes. Harvard astronomer Avi Loeb explores the cosmic consequences.
Galileo Project Releases Commissioning Data on Half a Million Aerial Objects: Are Any of Them UAP?
The Galileo Project has released the commissioning data from its first Observatory at Harvard University in a new scientific paper.
Earth-like Planet Discovery Near Distant White Dwarf Offers Clues to Earth’s Future
The discovery of an Earth-mass planet around a white dwarf based on gravitational microlensing could offer clues to the future of Earth and our Sun.
Is Dark Matter Made of Primordial Black Holes?
New research is placing dynamical constraints on primordial black holes (PBHs) as a potential dark matter candidate.
Interstellar Sun-Divers: Probing the Sun’s Corona for Exotic Artifacts
NASA's Parker Solar Probe and other space observatories could be used to study interstellar "Sun-divers." What else could they reveal?
Unraveling ‘Oumuamua’s Anomalous Acceleration: Could This Interstellar Object Have Been Manufactured?
Harvard astronomer Avi Loeb revisits the argument for the interstellar object 'Oumuamua potentially being technologically manufactured.
Beyond the Horizon: How the Rubin Observatory Will Transform Our Understanding of the Cosmos
The Rubin Observatory will revolutionize our understanding of the cosmos by capturing unprecedented data on interstellar objects, potentially uncovering evidence of extraterrestrial technology.
Can Black Holes Be Made from Light? Scientists Say No, but Gravity Suggests Otherwise.
Can a black hole be made from light? A recent paper says no, but there was a crucial factor omitted from their calculations.
Source of the Moon’s Mysterious Atmosphere Revealed in New Analysis of Apollo-era Samples
What is the source of the lunar atmosphere? A new paper suggests the primary source of fresh atoms and molecules in the lunar atmosphere.
‘Oumuamua Was Younger Than We Thought, New Findings Suggest. Here’s Why That Matters.
Was the mysterious interstellar object 'Oumuamua younger than we thought? New findings suggest it was, raising new questions about its possible origins.
How Rare Are We? Hubris Inhibits the Hunt for Intelligent Life in the Cosmos
Harvard Astronomer Avi Loeb argues how humanity's belief in its uniqueness hinders the search for extraterrestrial intelligence.
Could AI Avatars Become 21st-Century Tombstones?
Rather than staring at a tombstone in a graveyard, what if one could engage in fresh conversations with AI avatars?
Will Contact With Non-Human Intelligence Involve Aliens or AI?
Distinctions between AI and human intelligence might offer a first taste of what we may one day encounter with the discovery of ET technology.
The Fate of Voyager: Where Will NASA’s Iconic Space Probe Be in a Billion Years?
Where in the universe will NASA's iconic Voyager 1 spacecraft be in one billion years? Here's what science has to say.
Will ET or AI Represent Our First Encounter with Superhuman Intelligence?
Astronomer Avi Loeb argues that humans need to make sure that we will not be on the “menu” of either ET or AI.
Do Dyson Spheres Exist? Here’s Another Way We Could Find Evidence of One.
If Dyson spheres were built around stars and eventually break over time, we might find pieces of broken ones in interstellar space.
Complexity Nurtures Intelligence: A Complex Reality Shaped by Gravity, Life, and AI
Increasing complexity could provide insights into future technological advancements and the potential for encountering extraterrestrial intelligence.
Mapping Cosmic Hydrogen: From the Big Bang to Cosmic Reionization
Harvard astronomer Avi Loeb discusses the reionization of the Universe following the Big Bang, and methods of mapping cosmic hydrogen.
When Did Life As We Know It Begin in the Universe?
Could life in our universe have its origins with the explosions of the first massive stars, and the enrichment of their environments with heavy elements?
Tidal Disruption Events: When Suns Moving at Light Speed Around a Black Hole Collide
What are tidal disruption events? Try imagining the sun moving close to the speed of light and colliding with another sun as they move around a black hole.
Coincidences of Our Sun and Moon: Are Earthlings Exceptionally Lucky?
Was the Moon-Sun tidal coincidence on Earth important for allowing complex and intelligent life?
Communication and the Cosmos: The Power of Language in Advancing Civilizations
Humans evolved from chimpanzees and reached the Moon by developing a language. But why is communication so advantageous for the evolution of a species?
The Cosmic Race Between Stars and Black Holes
Supermassive black holes and stars initially competed for gas in the early universe, influencing the likelihood of life and the cosmic balance of energy.
Detecting the Undetectable: Could Future Technology Help Us Locate “Stealth Vehicles” Piloted by Aliens?
With future advances in gravitational-wave detectors, it might be possible to detect gravitationally stealth vehicles developed by aliens.
Intelligence: The Path Toward Exponential Growth
What is the mark of a genius? The ability to reach a solution through an unforeseen shortcut instead of a random walk or an elaborate effort.
All Habitable Worlds Come to an End
How many tragedies of alien civilizations on habitable worlds have we missed over the 13.8 billion years that elapsed since the Big Bang?
SpaceX Starship: A Musing on Rockets and Their Effect on the Earth
Harvard astronomer Avi Loeb considers the effects of rockets on the Earth, following the latest test launch of the massive SpaceX Starship from Boca Chica, Texas.
The Invisible Sky Within Neutrinos
Neutrinos are electrically neutral particles that interact only through the weak interaction and gravity. If our eyes were sensitive to neutrinos, what would we see?
Reconstructing the First Interstellar Meteor
Now that the composition of the first suspected interstellar meteor IM1 has been measured, can aspects of it be recreated in the lab?
Will Disclosure Occur Before Scientists Obtain Evidence of UAP?
Recruiting Panelists from the Bar at Harvard Square as The Galileo Project Turns Two
Recruiting Panelists from the Bar at Harvard Square as The Galileo Project Turns Two
Is it easier to learn what lies in interstellar space from scooping the bottom of the Pacific Ocean than from politicians in Washington DC?
“Are We Alone?” Finding the Answer is an Issue Senators and Scientists Agree On
We invest billions of dollars in the search for dark matter, but the public cares more about the question of “are we alone?”
Diary of an Interstellar Voyage: Parts 31-33 (June 25-26 2023)
Might an iron peanut be worth ten thousand spherules, or nothing at all? Avi Loeb and the Galileo Project team's expedition to the Pacific waters off Papua New Guinea draws to a close.
Diary of an Interstellar Voyage: Parts 28-30 (June 25-26 2023)
As the Galileo Project team's expedition winds down, Avi Loeb provides a series of updates on the search for spherules believed to be associated with an interstellar meteor.
Diary of an Interstellar Voyage: Parts 25-27 (June 24-25 2023)
Somewhere Over the Rainbow
Somewhere Over the Rainbow
Avi Loeb presents a new series of updates on the search for spherules believed to be associated with an interstellar meteor retrieved during the Galileo Project team's expedition.
Diary of an Interstellar Voyage: Parts 21-23 (June 22-23, 2023)
The Hunt for More IM1 Spherules
The Hunt for More IM1 Spherules
The Galileo Project team continues its search for evidence of an interstellar object in this installment of "Diary of an Interstellar Voyage."
Diary of an Interstellar Voyage: Parts 18-20 (June 21, 2023)
The Discovery of Spherules from the Path of the First Recognized Interstellar Meteor, IM1
The Discovery of Spherules from the Path of the First Recognized Interstellar Meteor, IM1
Magnetic spherules are detected under the microscope by Avi Loeb and the Galileo Project team in this latest installment of 'Diary of an Interstellar Voyage.'
Diary of an Interstellar Voyage: Parts 14-17 (June 19-20, 2023)
Corroded Iron and Volcanic Debris in IM1’s Path
Corroded Iron and Volcanic Debris in IM1’s Path
Corroded iron, volcanic debris, and evidence of magnetic particles turn up in IM1’s Path in this latest update from the Galileo Project's expedition.
Diary of an Interstellar Voyage, Parts 11-13: June 18, 2023
More materials are recovered, and new questions surface, in this combined three-part entry covering Day 8 (June 18, 2023) of the Galileo Project team’s expedition.
Diary of an Interstellar Voyage, Parts 9 & 10: June 17, 2023
You Can't Make a Lemonade Without Lemons
You Can't Make a Lemonade Without Lemons
The Galileo Project continues its recovery of material from the ocean floor during its expedition to recover an interstellar object off the coast of Papua New Guinea.
Diary of an Interstellar Voyage: Parts 7 & 8
Strange Wires and Diverse Fragments in the Pacific Ocean Site of the First Interstellar Meteor
Strange Wires and Diverse Fragments in the Pacific Ocean Site of the First Interstellar Meteor
Strange Wires and other fragments are found during the Galileo Project's expedition to recover an interstellar object from the ocean floor.
Diary of an Interstellar Voyage: Parts 5 & 6
First Sample of Fragments from the Pacific Ocean Floor
First Sample of Fragments from the Pacific Ocean Floor
This combined entry covers Days 5 and 6 of the Galileo Project's expedition to recover a interstellar object from the Pacific Ocean floor.
Diary of an Interstellar Journey: Part 4
Scooping the Ocean Floor
Scooping the Ocean Floor
Scooping the Ocean Floor: The Galileo Project team's magnetic sled is lowered to bottom of the Pacific in the fourth installment of "Diary of an Interstellar Journey."
Diary of an Interstellar Voyage: Part 3
Arrival at Silver Star
Arrival at Silver Star
Harvard Astronomer Avi Loeb and the Galileo Project team begins its efforts to retrieve an interstellar object at the bottom of the Pacific in this third installment of "Diary of an Interstellar Journey."
Diary of an Interstellar Voyage: Part 2
Seeking Extraterrestrial Artifacts In The Pacific Ocean
Seeking Extraterrestrial Artifacts In The Pacific Ocean
This second installment in a series documents Harvard Astronomer Avi Loeb and the Galileo Project's expedition to recover an interstellar object from the floor of the Pacific Ocean.
Diary of an Interstellar Voyage: Part One
It’s Easier to Seek For Potential Facts About Extraterrestrials on the Ocean Floor than to Get Them from Government.
It’s Easier to Seek For Potential Facts About Extraterrestrials on the Ocean Floor than to Get Them from Government.
Harvard Astronomer Avi Loeb documents the Galileo Project's expedition to attempt the recovery of an interstellar object from the floor of the Pacific Ocean.
Relics from Non-Human Spacecraft: A Scientist’s Perspective
Astronomer Avi Loeb provides commentary on the recent claims involving non-human craft discussed by whistleblower David Grusch.
Investigation and Tracking of Unidentified Aerial Phenomena Explored in New Publications by Harvard Team
A series of new scientific papers detailing methods of detection and investigation into unidentified aerial phenomena (UAP) has been published by a team of Harvard researchers.