SCIENCE

Ask Ethan: Why couldn’t the Universe have expanded forever? | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size There is a large suite of scientific evidence that supports…

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Red dwarfs aren’t uninhabitable; we’re just impatient | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size This graphic compares a Sun-like star with a red dwarf,…

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Ask Ethan: Is the Hubble tension the same thing as dark energy? | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size This slice of the DESI data maps celestial objects from…

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The true cost of “solar power at night” with Reflect Orbital | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size A new proposal by US-based startup Reflect Orbital seeks to…

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Starts With A Bang podcast #122 — Galaxy evolution and JWST | by Ethan Siegel | Starts With A Bang! | Oct, 2025

This image shows a tiny sliver of the COSMOS-Web survey, with galaxies at a variety of distances along with a…

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400 years later, astronomers finally understand Saturn’s rings | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size Despite the common idea that Saturn’s rings have been with…

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COSMOS-Web unveils JWST’s newest gravitational lenses | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size The COSMOS-Web survey, the largest cycle 1 General Observers JWST…

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Ask Ethan: How and when will the Universe die? | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size When multiple masses interact under their own mutual gravitation, the…

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The “atom” lost its original meaning, and that’s good for science | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size Originally, the “atom” was named as such because it was…

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Ask Ethan: Where are we located relative to the Big Bang? | by Ethan Siegel | Starts With A Bang! | Oct, 2025

Press enter or click to view image in full size Artist’s logarithmic scale conception of the observable universe. The Solar…

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