
In Memoriam: John D. Barrow
Remembering the maverick physicist who pioneered an “anthropic” approach to cosmology
Paul Davies is Regents' Professor at Arizona State University, director of the Beyond Center for Fundamental Concepts in Science and co-director of the Arizona State University Cosmology Initiative.

In Memoriam: John D. Barrow
Remembering the maverick physicist who pioneered an “anthropic” approach to cosmology

The Cosmos Might Be Mostly Devoid of Life
We still have no idea how easy it is for life to arise—and it may be incredibly difficult

Maybe Life in the Cosmos Is Rare After All
The conclusion that the universe is teeming with biology is based on an unproved assumption

Time’s Passage is Probably an Illusion
From the fixed past to the tangible present to the undecided future, it feels as though time flows inexorably on. But that is an illusion

How to Build a Time Machine
It wouldn't be easy, but it might be possible

Are Aliens Among Us?
In pursuit of evidence that life arose on Earth more than once, scientists are searching for microbes that are radically different from all known organisms

How to Build a Time Machine
It wouldn't be easy, but it might be possible

That Mysterious Flow
From the fixed past to the tangible present to the undecided future, it feels as though time flows inexorably on. But that is an illusion

How to Build a Time Machine
It wouldn't be easy, but it might be possible

That Mysterious Flow
From the fixed past to the tangible present to the undecided future, it feels as though time flows inexorably on. But that is an illusion

How to Build a Time Machine
It wouldn't be easy, but it might be possible

That Mysterious Flow
From the fixed past to the tangible present to the undecided future, it feels as though time flows inexorably on. But that is an illusion