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
Stories by Abraham Loeb
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
