SCIENCE
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The science case for why Pluto still isn’t a planet
In 2006, Pluto was controversially demoted to “dwarf planet” by the IAU. Unless you ignore most of astrophysics, it won’t…
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The particles in the early Universe painted a different picture
Today, we have the Standard Model of particles with four fundamental forces governing them. But things weren’t always the way…
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Ask Ethan: What’s the biggest misconception in astronomy?
Many facts are well-known to professionals, but are unappreciated or even rejected outright by the public. “How stars work” takes…
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Dark matter passes a new cosmic test, while MOND fails
On cosmic scales, only dark matter (or something equivalent) gives us the Universe we observe. Now, the Sunyaev-Zel’dovich effect agrees.…
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Ask Ethan: How long does it take planets to form?
Every time a new star forms, there’s an opportunity to form planets alongside and around it. How does it happen,…
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This viral image of Saturn isn’t real; it’s AI slop
From 2004 through 2017, Saturn was imaged many times and from many angles up close by Cassini. This new viral…
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Starts With A Bang #128 — Planet formation and proto-protoplanets
By looking at a giant, remarkable, edge-on protoplanetary system, astronomers have found a proto-protoplanet for the first time. Continue reading…
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Cosmic inflation explains the Universe’s low entropy at birth
Known as the “past hypothesis” problem, the Universe’s initially low entropy has long puzzled scientists. Now, cosmic inflation solves it.…
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Something special is happening in space right now
As humanity journeys to the Moon for the first time since 1972, can we rediscover our shared responsibilities: to the…
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Ask Ethan: Do gravitational waves redshift like light does?
As light travels across the Universe, it’s subject to cosmic expansion, changing fields, and relative motion. How about gravitational… Continue…
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