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Discovering the First Other Earths
Inside the hunt for habitable planets. -
The End of the Dark Universe?
A new “post-quantum” theory of gravity says we can wave dark matter and dark energy goodbye. -
Here to Save the Day!
Asteroid defense gets serious. -
What Are the Chances?
There are no such things as coincidences. -
What Physicists Have Been Missing
An exciting new theory reconciles gravity and quantum physics. I think it’s wrong. But I may be too.