Mystery one: what is dark matter. Mystery two: how to unify physics. Are they the same mystery?
The joy and toll of doing remote science.
An invisible civilization could be living right under your nose.
The search for the elusive material is reaching the end of its tether.
How scientific cosmology puts a new twist on the problem of evil.
If multiverses seem weird, it’s because we need to revamp our notions of time and space.
In an infinite multiverse, physics loses its ability to make predictions.
There’s more than one way to build a universe suitable for life.
It’s not the immensity or even the inscrutability, but that it reduces physical law to happenstance.
Our estimates for the prevalence of life in the universe depend on how quickly it arose on Earth.
Humans may have one thing that advanced aliens don’t: consciousness.
From the Europan oceans to the Jovian clouds, life has plenty of places to hide.
When we find ET, which faiths will bend, and which will snap?
At the cosmic dinner party, intelligence is the loudest thing in the room.
Alien life could be so advanced it becomes indistinguishable from physics.
The intricate compatibility of water and life on Earth may not extend to other planets.
