The Challenge of Detecting Black Holes Detecting black holes isn’t exactly a walk in the park. In fact, the few black holes ...

Einstein's theory of relativity just got put to the test by the lightest binary neutron star system ever discovered.

Any standard textbook will tell you that the dynamics of quantum mechanics are based on two axioms—mathematical rules that ...

Artificial general intelligence is now two to three years away, Demis Hassabis told WSJ Magazine on October 21, down from the ...

Are you focusing only on comparing? When I went to a bookstore with my children over the weekend, I encountered the five ...

Why do clocks run at different speeds on the ground and in space? Why do distant galaxies sometimes appear as beautiful rings ...

Einstein's theory of general relativity describes gravity as the bending of spacetime, a mathematical model that combines ...

Yet on a fundamental level, we still don’t understand what quantum mechanics is saying about how the world works. Any ...

The international order is changing at breakneck speed. Geopolitical tensions, technological competition and supply chain ...

The first measurement of a chemical bond in a superheavy element compound shows that relativistic effects weaken the seaborgium-carbonyl bond, inverting the trend seen in lighter homologs.

Physicists have discovered evidence of how spacetime operates within a set of “hidden” laws that preserve some form of ...

Nowadays big advances are made by scaling up—think more chips packed into ever-bigger data centers. But as we near the ...