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Faced with a navigational challenge, neural networks spontaneously evolved units resembling the grid cells that help living animals find their way.
A roundup of some of the most important discoveries gleaned so far from the Gaia space observatory’s new map of the galaxy.
Two ways of measuring the universe’s expansion rate yield two conflicting answers. Many point to the possibility of new physics at work, but a new analysis argues that unseen errors could be to blame.
To date the branches on the evolutionary tree of life, researchers are looking at horizontal gene transfers among ancient microorganisms, which once seemed only to muddle the record.
A recent experiment shows how quantum mechanics can make heat flow from a cold body to a hot one, an apparent (though not real) violation of the second law of thermodynamics.
Using a brain-computer interface, scientists are beginning to learn why learning is hard.
A simple, step-by-step breakdown of two “perfect” math proofs.