SCIENCE
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Science’s three big hopes for finding alien life
Despite all that we’ve discovered, Earth remains the only planet definitively known to possess life. Here’s how to find a…
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Ask Ethan: What do surveys of physicists actually reveal?
At and beyond the current frontiers of knowledge, many physicists have strongly held opinions. Can surveys point the way to…
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Space wasn’t infinitely small when the hot Big Bang began
The original idea of the Big Bang was synonymous with a singularity: a point of zero volume. In this Universe,…
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Less of the night sky is visible than ever before
Light pollution now steals a pristine night sky from the majority of humanity. The rise of LED lighting, primarily since…
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Ask Ethan: Is the Universe the same age everywhere?
Today, in the here-and-now, a full 13.8 billion years have elapsed since the start of the hot Big Bang. But…
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The discovery of an atmosphere on a tiny Kuiper belt world
A relatively tiny world in the Kuiper belt, just 500 km in diameter, has an atmosphere after all, joining Pluto.…
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Starts With A Bang podcast #129 — Triton and the outer solar system
Triton is Neptune’s largest moon today, but it was once the undisputed king of the Kuiper belt. Here’s why the…
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A new experiment deepens the physics mystery over “big G”
Newton’s gravitational constant, G, is still known to just 3 significant figures in 2026. New measurements merely highlight our… Continue…
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Ask Ethan: How can ultra-distant galaxies move so fast?
It takes incredible energies to accelerate masses near the speed of light. So how do the farthest galaxies speed away…
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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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