Speaker
,Author
Avi Loeb
Avi Loeb is Head of the Galileo Project, founding director of Harvard University's Black Hole Initiative and director of the Institute for Theory and Computation at the Harvard-Smithsonian Center for Astrophysics. He is the author of Extraterrestrial: The First Sign of Intelligent Life Beyond Earth and a co-author of the textbook Life in the Cosmos.

Avi Loeb is Head of the Galileo Project, founding director of Harvard University's Black Hole Initiative and director of the Institute for Theory and Computation at the Harvard-Smithsonian Center for Astrophysics. He is the author of Extraterrestrial: The First Sign of Intelligent Life Beyond Earth and a co-author of the textbook Life in the Cosmos.
Avi Loeb Videos

Adventures in space
Humanity and the final frontier

Alive in the universe
Why are we so determined to believe in alien life?

Objects from other worlds
The evidence for alien life in the solar system

Extra-terrestrial life
Are we the sharpest cookie in the jar?
More Videos

Spacetime and the Structure of Reality
Carlo Rovelli on Loop Quantum Gravity

Is Time Travel Just a Fantasy?
Exploring the outer limits of physics

Gravity minus dark matter
Erik Verlinde offers a new theory of gravitation

Missing Evidence
Does physics still need experiment?

Is Nothing an Illusion?
Explaining everything and Nothing

Gravity
Why is gravity so elusive?

The End of the Theory of Everything
Can we fully describe reality?

Time, Space and Being
Are space and time real?

Why There Is Something Rather Than Nothing
Can science solve metaphysics' riddle?

The Laws of the Universe
Are the laws of nature just human constructs?

Back from the End of Time
Is the passage of time an illusion?

Cosmic Dreams
Forty years on, what questions has String Theory left unanswered?

The Strangeness of Things
Are things a necessary foundation of reality?

Why The World Exists
In Search of Parallel Universes

Big Bang Creation Myths
Is the Big Bang theory mistaken?

The End of All Things
What is reality made of?

Is Reality an Illusion?
Quantum physics, objective and subjective reality

The Dark Universe
Are theories of dark matter and dark energy true?

Why Does Time Fly?
Bernard Carr | Time and consciousness

Quantum Whispers
Is teleportation close to becoming a reality?

Decoding the Universe
Chiara Marletto | Reality as a string of code

The Poetry of the Universe
Sean Carroll | We are made of stories, not atoms

Playing Dice With The Universe
Is the universe really unknowable even to itself?

When Time Stands Still
Is the flow of time an illusion?

How to Find a Multiverse
The Latest Evidence of Parallel Worlds

Time's Arrow
Can physics explain the nature of time?

Bang Goes the Big Bang
Is it possible that the Big Bang is a mistake?

The Next Universe
Roger Penrose's New Story of Existence

After the Higgs Boson
What's next for 21st century physics?

The Universe Code
Is information fundamental?

Into the Unknown
What is the future of space exploration?

The Stuff of the Universe
Is materialism wrong?

Bang Goes Another Theory of the Universe
Are black holes a fantasy?

The Theory of Everything
Are we close to a final theory of the universe?

It's an Immaterial World
Do particles exist?

Pythagoras' Dream
Is reality mathematical?

Beyond the Standard Model
Tevong You | The first new particle after Higgs

Something and Nothing
Is there something rather than nothing?

Life, the Universe and Everything
Is reality beyond reach?

In a Parallel Universe
Are there many worlds?

A Goldilocks World
Is the universe finely tuned for life?

The Mathematics of Thought
How has mathematics changed philosophy?

It's an Immaterial World
Do particles exist?

Wonders of the Big Bang
Reconstructing the first moments of the universe

Uncovering Reality
Physics, truth and metaphor

Masters of the World
Is the universe mathematical?

Stephen Hawking and the Progress of Physics
Understanding the origin of the universe

Conjuring the Universe
The origins of the laws of nature | Peter Atkins

Quantum Effects in Gravity
Chiara Marletto | A new theory in physics

Demons Among Us
Are germs as imaginary as demons?
More Articles

CRISPR's Brave New World

Science is based in metaphor

Rewriting the code of life

The moral case for eugenics?

The false promise of human gene editing

A new paradigm to understand pain

Euthanasia isn't a slippery slope

Looking at genes through a human lens

The mystery and origins of play
Biology's Uncertainty Principle

The fight for the future of biology

Nature didn't make us human, culture did

From Darwin to Derrida: evolution as interpretation

Too much pleasure causes pain

Cracking the creation of life

The ocean is the engine of the Earth

The microorganism that shaped humanity

We risk turning life into an illness

The Brave New World of synthetic humans

The post-antibiotic apocalypse is here

The mystery of living things

A new theory of matter may help explain life

The mind-body problem is ruining our health

Suspended Ethics?

Entering the Soul Niche

A New Science of Life

The Persecution of Heretics

Who First into the Ark?

An Enemy of The Open Society

Life, agency, and the evolution of free will