Predictable transits and conjunctions belie a deeper story that includes our origins
The most haunting thing about the universe is how empty it is
Could there be information networks across the galaxy?
A novel idea for the local terraforming of Mars raises interesting possibilities
Forget galaxies, stars and planets; the cosmos is really a complex chemical system
Calling a distant world Earth-like is bad practice; calling it habitable is not much better
There are way more important planetary concerns to direct your attention to
Explosions on Titan, cometary visitors, a black hole merger and water in an exoplanetary atmosphere
For single-celled organisms, Earth’s atmosphere represents transport, refuge and possibly a habitat
A record-breaking altitude and a few minutes of weightlessness in an extraordinary vehicle
A reminder that there is more going on in the universe than we ordinarily perceive
What do these things have in common? They’re all important for astrobiology
It may not be smart to add more, but nature probably beat us to it anyway
Look who might be watching
Our consciousness gets in the way of thinking about evolution
What if our natural satellite didn’t exist?
Precisely when and where eclipses occur is a complicated business
If we’re a dud cosmic experiment, is there hope?
Much of the treasure trove of Apollo 11 images is rarely shown
A roundup of some recent astrobiology-related science news