SCIENCE
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Gravity and quantum physics are fundamentally incompatible
We have two descriptions of the Universe that work perfectly well: General Relativity and quantum physics. Too bad they don’t…
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Ask Ethan: Does nature need to obey laws at all?
No matter what physical system we consider, nature always obeys the same fundamental laws. Must it be this way, and…
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Why “CPT” is the Universe’s most unbreakable symmetry
The combination of charge conjugation, parity, and time-reversal symmetry is known as CPT. And it must never be broken. Ever.…
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Ask Ethan: How dark will the Universe become?
Over billions of years, fewer stars form, galaxies mutually recede, and the Universe becomes ever darker. Here’s how fast it…
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A quirk of relativity is the closest thing to achieving immortality
Nothing lives forever, at least, not in the known Universe. But relativity allows us to get closer than ever: from…
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JWST peers inside a dying star’s “exposed cranium”
Resembling a cosmic brain, the exposed cranium nebula instead shows a dying, massive star, as JWST reveals. Its fate remains…
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Ask Ethan: Do signals degrade as they travel through space?
In traveling through the expanding Universe, particles slow down while light and gravitational waves redshift. What degrades and what… Continue…
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Did Hubble’s new “dark galaxy” kill modified gravity?
The discovery of CDG-2, a galaxy that’s more than 99.9% dark matter, could reveal a new population of ultra-faint galaxies.…
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Ask Ethan: Can quantum entanglement survive a black hole?
Quantum entanglement links information between particles across space and time. So what happens when one of them falls into a…
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How Einstein revolutionized the meaning of “where” and “when”
Even space and time are relative in Einstein’s universe. That means our old notions of “where” and “when” no longer…
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