SCIENCE

Busting the top 5 myths about the Big Bang

For over 50 years, it’s been the scientifically accepted theory describing the origin of the Universe. It’s time we all…

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JWST captures its most extreme gravitational lens ever | by Ethan Siegel | Starts With A Bang! | Jun, 2025

This side-by-side image shows galaxy cluster Abell S1063 as imaged with JWST (L) and Hubble (rotated, R). The longer wavelength…

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Ask Ethan: Is the Hubble tension a real problem? | by Ethan Siegel | Starts With A Bang! | Jun, 2025

The construction of a cosmic distance ladder begins with measuring the parallax of individual stars within the Milky Way and…

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Video: NASA’s PUNCH mission sees the Sun’s corona in action | by Ethan Siegel | Starts With A Bang! | Jun, 2025

This clip from NASA’s PUNCH satellite shows a strong coronal mass ejection emanating from the Sun’s limb (top) on June…

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Ask Ethan: Does cosmic inflation violate energy conservation? | by Ethan Siegel | Starts With A Bang! | Jun, 2025

When the Universe undergoes a period of cosmic inflation, the fabric of space — which has a tremendously high energy…

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Uranus’s moons are darkened on one side, Hubble reveals | by Ethan Siegel | Starts With A Bang! | Jun, 2025

Uranus, with its ringed system, is shown alongside its five largest moons. From left-to-right are Ariel, Miranda, Umbriel, Oberon, and…

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Ask Ethan: What are the “first stars” in the Universe? | by Ethan Siegel | Starts With A Bang! | Jun, 2025

An illustration of the first stars turning on in the Universe. Without metals to cool down the clumps of gas…

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780,000 galaxies revealed in JWST’s largest science operation | by Ethan Siegel | Starts With A Bang! | Jun, 2025

The COSMOS-Web survey, the largest cycle 1 General Observers JWST program, was proposed in 2021 (right) as a large-area survey…

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10 quotes about science’s value to society | by Ethan Siegel | Starts With A Bang! | Jun, 2025

December 25, 2021, the James Webb Space Telescope launched successfully into orbit from an Ariane 5 rocket. Rocketry has been…

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Ask Ethan: What would the Universe be like without dark matter? | by Ethan Siegel | Starts With A Bang! | Jun, 2025

A 3D map of the dark matter distribution in the cosmos. By measuring the average shape of galaxies throughout the…

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