Finding Fuel for Our Frigid Cosmic Future
As dark energy accelerates the expansion of the universe, civilizations will likely migrate into rich clusters of galaxies
Stories by Abraham Loeb
Testing Philosophy through Experiments
New technologies could shed light on old philosophical questions, such as the nature of the mind and whether moral values reflect universal truth
Maybe We Could "See" a Singularity After All
When black holes collide, interactions between their cores might leave an imprint on the resulting gravitational waves
Escape from Proxima b
A civilization in the habitable zone of a dwarf star like Proxima Centauri might find it hard to get into interstellar space with conventional rockets
For E.T. Civilizations, Location Could Be Everything
Their economies and their fate may depend on the abundance of gold and uranium, forged in relatively nearby neutron star mergers
Renewing the Contract between Academia and Society
Universities owe the public a fresh look at their educational and research missions
Are Alien Civilizations Technologically Advanced?
The answer may depend on exoplanet sociology
The Case for Cosmic Modesty
If we want to find life elsewhere, we should search for it in all of its possible forms
Cosmic Inflation Theory Faces Challenges
The latest astrophysical measurements, combined with theoretical problems, cast doubt on the long-cherished inflationary theory of the early cosmos and suggest we need new ideas
Portrait of a Black Hole
By adapting a global network of telescopes, astronomers will soon get their first look ever at the dark silhouette of a black hole
The Dark Ages of the Universe
Astronomers are trying to fill in the blank pages in our photo album of the infant universe
Portrait of a Black Hole
By adapting a global network of telescopes, astronomers will soon get their first look ever at the dark silhouette of a black hole