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Albert Einstein's lost letter to British engineer suggests 'unknown physics' in animal behaviorIn a newly discovered letter written by Albert Einstein, the renowned physicist suggested there could be a link between the migrations of birds and "unknown" physical processes.
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What is the cosmological constant?What we know about the history and properties of "Einstein's biggest mistake," the cosmological constant
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What happens at the center of a black hole?At the center of a black hole, matter is compressed down to an infinitely tiny point, and all conceptions of time and space completely break down.
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Physicists keep trying to break the rules of gravity but this supermassive black hole just said 'no'A new test of Albert Einstein's theory of general relativity has proved the 20th Century physicist right again, this time using a supermassive black hole.
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Half the atoms in the planet could be digital data by 2245A scientist predicts looming crises based on the growth of digital content
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What's the most amazing thing about the universe?A few scant equations can explain a variety of phenomena in our universe, over vast gulfs of space and time. Here's a taste of just how powerful modern physics can be.
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Einstein's core idea about gravity just passed an extreme, whirling test in deep spaceOnce again, physicists have confirmed one of Albert Einstein's core ideas about gravity and relativity — this time with the help of a neutron star flashing across space.
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Schrödinger's cat: The favorite, misunderstood pet of quantum mechanicsTo meow or not to meow?
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Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking?When two neutron stars slammed together far off in space, they created a powerful shaking in the universe — and their echoes could violate Einstein's theory of relativity.
