Fortunately for those who favor interstellar peace, there is a major practical hurdle for manufacturing black holes technologically.
Avi Loeb examines some of the limitations imposed on intergalactic travel through accelerated cosmic expansion.
Could your home be hit by a meteorite? It isn't a frequent occurrence... but that doesn't mean it never happens.
If you were to recover an extraterrestrial gadget, would you press its buttons?
The frontiers of science and our knowledge of the universe naturally lie on the boundary between the known and the unknown.
If we ever use these dark components to fuel engines of interstellar spacecraft, we will need to know their local densities. Avi Loeb weighs in.
AI alignment research aims to steer AI toward the intended goals or ethical principles of humans. But at what point are we over-parenting?
On April 19, 2023, exactly 248 years after the Lexington-Concord Battle, a public Senate hearing on UAP is to be held by the Senate Committee on Armed Services.
Scientists, working with open data like the Galileo Project comprises, must help the U.S. government unravel the nature of UAP.
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.
Future risks from AI systems may include controlling WMDs and the forgery of scientific results. Who should be held liable for such actions?
By studying interstellar objects, we may learn about new exotic propulsion methods that will make it easier for us to venture into interstellar space.
Was `Oumuamua a hydrogen-water iceberg? Harvard Astronomer Avi Loeb weighs in on a recent paper on the mysterious interstellar space object.
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.
The most consequential choice that our technological civilization can make is between commercial benefits and preserving nature.
For the first time in the history of astronomy, connecting our human affairs to the stars might make complete sense.
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.
What is the chance that a technological gadget with an interstellar version of ChatGPT would visit Los Alamos for lunch in 1950?
"Interstellar travel favors the scientifically inclined, exploring civilizations," says Harvard astronomer Avi Loeb in his latest Op Ed.
If we ever detect a beam of Planck energy neutrinos from a preferred direction in the sky, we will know where to search for new physics.
Harvard astronomer Avi Loeb offers his views on the recent release of the 2022 ODNI report on unidentified anomalous phenomena.
In the battle of belief versus evidence, we must avoid the tendency to get entrenched in ideas that cannot be falsified.
Climate models suggest that runaway glaciation during periods of our planet's history may have resulted in a frozen, “Snowball Earth” state.
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.
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.
If humans ever find interstellar CubeSats, it will change our priorities from funding military conflicts to space exploration.
How can we determine from circumstantial evidence on multiple planets whether panspermia might have occurred?
Nature established two distinct pathways for reflecting upon itself, one based on natural intelligence and the second based on artificial intelligence.
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?
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.
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.
Will aliens ever see an intelligent signal from Earth, or only evidence of our self-destructive tendencies in flashes from nuclear blasts?
There will be both good and bad for any future earthlings or technologies of our design that may engage in interstellar travel.
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.
Astronomer Avi Loeb shares his thoughts following a recent meeting in Washington with members of the forthcoming NASA UAP Study.
Could gravitational propulsion enable us to traverse the stars by manipulating the cosmic dark energy that makes the vacuum?
It is often said that “life was better in the good old days.” Avi Loeb explains why this definitely holds true for Mars.
Could astronomers also be a possibility on distant habitable exoplanets, much like the ones who study exoplanets from here on Earth?
Avi Loeb weighs in on the recent controversial Ukrainian UAP study and reactions to it from other commentators.
If interstellar travel agencies were to sell tickets for a ride on these relativistic planets, I would be first in line to board them.
Finding the products of technological engines produced by intelligence from afar could inspire humans to focus on our ambitious future in space.
In a new paper with student Amir Siraj, Avi Loeb says they have identified a second interstellar meteor, IM2, in the CNEOS fireball catalog of NASA.
In today’s popularity contests, it is important to remember reality is whatever it is, irrespective of how many “likes” it gets on Twitter.We don't get whatever version of reality we desire "on demand."
On September 3, 2022, the 79th Venice Film Festival hosted a session titled “Meeting with `Oumuamua” at the Excelsior Hotel in Venice.
Avi Loeb examines the recurring phenomenon of “experts” using academic review to dismiss novel ideas to protect their intellectual territory.
Could humans one day detect artificially-produced bursts of gravitational waves, used for communication among advanced technological civilizations?
Imagine if every human that ever lived had a star of their own; how would this broaden our individual sense of our place in the cosmos?
Since metals seed life, galactic nuclei may offer these benefits if the seeds can ever blossom and become sentient civilizations.
Do we live in a galactic environment that contains self-replicating von Neumann probes? The best way to find out is to look around.
Astronomer Avi Loeb looks at the nature of scientific knowledge, as he discusses dark matter, the universe, and life on other worlds.