SCIENCE
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Humanity’s third interstellar object, 3I/ATLAS, is arriving now | by Ethan Siegel | Starts With A Bang! | Jul, 2025
This image, taken with a small telescope on the night of July 1, 2025, shows what was then known as…
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Starts With a Bang podcast #119 — The CMB | by Ethan Siegel | Starts With A Bang! | Jul, 2025
This image shows the Large Aperture Telescope’s colossal, 6-meter primary and secondary mirrors at the Simons Observatory in February of…
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Will American science become the “Hitler’s gift” of the 21st century? | by Ethan Siegel | Starts With A Bang! | Jul, 2025
This “fleet chart” catalogues every NASA science mission across the four main subdivisions — Earth science, heliophysics, planetary science, and…
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Ask Ethan: What puzzles can the Vera Rubin Observatory help solve? | by Ethan Siegel | Starts With A Bang! | Jul, 2025
This image, taken in April of 2025, shows the completed and operational Vera C. Rubin Observatory with its dome open…
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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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