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.
Avi Loeb
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.
Cosmic Expansion: The ‘Horizon’ for Intergalactic Travel
Avi Loeb examines some of the limitations imposed on intergalactic travel through accelerated cosmic expansion.
Will Your Home Be Hit by a Meteorite?
Could your home be hit by a meteorite? It isn't a frequent occurrence... but that doesn't mean it never happens.
Would You Press a Button on an Extraterrestrial Gadget?
If you were to recover an extraterrestrial gadget, would you press its buttons?
Unidentified Aerial Phenomena: Science “From Farm to Table”
Scientists, working with open data like the Galileo Project comprises, must help the U.S. government unravel the nature of UAP.
Discovering Extraterrestrials Offers Benefits, Not An Existential Risk
In 2010, Stephen Hawking warned that aliens might pose an existential risk to humanity, and that we should therefore be careful about broadcasting our existence to interstellar space.
Will Future AI Systems be Legally Liable?
Future risks from AI systems may include controlling WMDs and the forgery of scientific results. Who should be held liable for such actions?
Exotic Propulsion: Technological Probes From the Final Frontier
By studying interstellar objects, we may learn about new exotic propulsion methods that will make it easier for us to venture into interstellar space.
Is `Oumuamua a Hydrogen-Water Iceberg?
Was `Oumuamua a hydrogen-water iceberg? Harvard Astronomer Avi Loeb weighs in on a recent paper on the mysterious interstellar space object.
The Allegory of the Cave: An Interstellar Interpretation
In this installment of "Our Cosmic Neighborhood," Harvard astronomer Avi Loeb takes a look at an ancient philosophical dialogue in the context of interstellar artificial intelligence.
Physics of the Phenomenon: A New Scientific Perspective on Aerial Mysteries
Harvard astronomer Avi Loeb joins us to discuss a recent paper he and AARO director Sean Kirkpatrick authored on the physics of UAP.
Avi Loeb and the DoD’s Chief UAP Investigator Sean Kirkpatrick Say Solving Aerial Mysteries Requires Known Physics
In a new paper, Harvard astronomer Avi Loeb and AARO director Sean Kirkpatrick say that evaluations of UAP must rely on known physics.
Interstellar Conservation: City Lights in Our Sky and Plastic in Our Oceans
The most consequential choice that our technological civilization can make is between commercial benefits and preserving nature.
Interstellar Romance: Connecting Our Human Affairs to the Stars
For the first time in the history of astronomy, connecting our human affairs to the stars might make complete sense.
Science Is Better Than Politics and Popularity Contests
The elemental composition of the first interstellar meteor will be decided by a mass spectrometer, not by the number of likes it gets on Twitter.
Has Earth Ever Had Encounters With Interstellar AI Devices in Its Past?
What is the chance that a technological gadget with an interstellar version of ChatGPT would visit Los Alamos for lunch in 1950?
Imagine Interstellar: Humanity’s Path to Becoming an Interstellar Species
"Interstellar travel favors the scientifically inclined, exploring civilizations," says Harvard astronomer Avi Loeb in his latest Op Ed.
An Astronomer’s Thoughts on the 2022 ODNI Report on UAP
Harvard astronomer Avi Loeb offers his views on the recent release of the 2022 ODNI report on unidentified anomalous phenomena.
Beliefs Versus Evidence: Science, Supersymmetry, and Beyond
In the battle of belief versus evidence, we must avoid the tendency to get entrenched in ideas that cannot be falsified.
Seeking Immortality in Space: Encounters With ‘Interstellar Memorabilia’
Like prehistoric cave paintings, finding interstellar extraterrestrial devices might indicate that the quest for immortality is universal to all sentient beings past and present throughout the Milky Way galaxy.
Creating a Transient Star in the Laboratory
The recent achievment of fusion ignition marks the first instance where humans were able to create the likeness of a tiny transient star in the lab.
Panspermia: Was Terrestrial Intelligence Seeded by a Cosmic Gardener?
How can we determine from circumstantial evidence on multiple planets whether panspermia might have occurred?
The Confluence of Natural and Artificial Intelligence
Nature established two distinct pathways for reflecting upon itself, one based on natural intelligence and the second based on artificial intelligence.
Cosmic Seeds of the Biggest Black Holes
As any gardener knows, growth is initiated by seeds. What were the seeds that enabled supermassive black holes to grow so early in cosmic history?
The State of the Universe: Lost Civilizations from Our Cosmic Past
Future interstellar travel could reveal that the "State of the Universe" is far more significant than our present concerns over worldly political matters at home.
Knowledge, Belief, and the Cosmos: The Proper Way of Swiping Left or Right
The suite of instruments assembled by the Galileo Project will seek the evidence needed to properly swipe the extraterrestrial interpretation of UAP to the left or to the right.
Let It Be… An Intelligent Signal
Will aliens ever see an intelligent signal from Earth, or only evidence of our self-destructive tendencies in flashes from nuclear blasts?
When It Comes to Interstellar Travel, There Are Both Hazards and Benefits
There will be both good and bad for any future earthlings or technologies of our design that may engage in interstellar travel.
The Arrow of Cosmic Time: From Simplicity to Complexity and Back
During a recent lecture at the University of Michigan that I gave, I was asked why the arrow of cosmic time is characterized by a transition from simplicity to complexity.
The NASA UAP Study: A New Calculation On the Fly
Astronomer Avi Loeb shares his thoughts following a recent meeting in Washington with members of the forthcoming NASA UAP Study.