SCIENCE

Why do we count the Universe’s age from 13.8 billion years ago? | by Ethan Siegel | Starts With A Bang! | Aug, 2024

If you look farther and farther away, you also look farther and farther into the past. If the number of…

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If the Big Bang wasn’t the first thing ever, what caused it? | by Ethan Siegel | Starts With A Bang! | Aug, 2024

The expanding Universe, full of galaxies and the complex structure we observe today, arose from a smaller, hotter, denser, more…

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Relativity: the oldest physics principle that’s still correct | by Ethan Siegel | Starts With A Bang! | Aug, 2024

This 1847 painting, known as Galileo before the Holy Office, depicts Galileo during his trial for blasphemy by the Catholic…

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Ask Ethan: Could we build a collider bigger than Earth? | by Ethan Siegel | Starts With A Bang! | Aug, 2024

Particle accelerators can either be linear, where magnets collimate beams of particles while electric fields accelerate them, or circular, where…

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How a failed experiment led to Einstein’s first big revolution | by Ethan Siegel | Starts With A Bang! | Aug, 2024

The longer a photon’s wavelength is, the lower in energy it is. But all photons, regardless of wavelength/energy, move at…

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Starts With A Bang podcast #108 — A future particle collider | by Ethan Siegel | Starts With A Bang! | Aug, 2024

This image shows the expected signature of a Higgs boson decaying to bottom-quark jets around the collision point inside a…

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Your guide to 2024’s Perseid meteor shower | by Ethan Siegel | Starts With A Bang! | Aug, 2024

This time-lapse photograph shows several Perseid meteors all pointing away from the same area of the sky: the radiant of…

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Astronomers solve longstanding galaxy cluster collision puzzle | by Ethan Siegel | Starts With A Bang! | Aug, 2024

This multicolored image of colliding galaxy cluster MACS J0416.1–2403 shows optical data from Hubble plus X-ray data (pink) from Chandra…

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Ask Ethan: Did black holes form directly from the Big Bang? | by Ethan Siegel | Starts With A Bang! | Aug, 2024

This set of illustrations explains how a large black hole can form from the direct collapse of a massive cloud…

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New theoretical calculation solves the ‘muon g-2’ puzzle | by Ethan Siegel | Starts With A Bang! | Jul, 2024

In 2023, Fermilab’s Muon g-2 collaboration announced their latest results, which were consistent with previous experimental results but had only…

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