How can we trust AI if we don’t know what it’s thinking?
Machine anxiety is no longer just the stuff of science fiction.
Earth bacteria may have colonised other solar systems
Astronomers suggest microbes might hitch lifts on interstellar asteroids.
The Hubble Constant is constantly perplexing
Astronomers suggest an entirely different way of measuring it.
Mathematicians explain an uncertain law of physics
It’s great science, but not yet worth a million dollars.
So that’s what it’s like beneath Antarctica’s ice sheet
New high-precision map reveals all the bumps and hollows.
Near-Earth asteroid numbers grow in record year
When it comes to space rocks, there are always more to be found.