SCIENCE
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Why nuclear reactions on an exoplanet won’t imply alien life | by Ethan Siegel | Starts With A Bang! | Apr, 2025
From the main mine that humans made in the Oklo region, one of the natural reactors is accessible via an…
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Will the Sun make a planetary nebula when it dies? | by Ethan Siegel | Starts With A Bang! | Apr, 2025
From their earliest beginnings to their final extent before fading away, Sun-like stars will grow from their present size to…
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Ask Ethan: Why are maps of the cosmos always oval-shaped? | by Ethan Siegel | Starts With A Bang! | Apr, 2025
These two projections show the primordial sky in microwave light as seen by ESA’s Planck mission. At left, a hemispherical…
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10 reality-bending facts about the scientific Multiverse | by Ethan Siegel | Starts With A Bang! | Apr, 2025
If each time a quantum decision were made, our timeline split to allow for two (and only two) possible outcomes,…
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Ask Ethan: What does it mean to live in a quantum universe? | by Ethan Siegel | Starts With A Bang! | Apr, 2025
By creating two entangled photons from a pre-existing system and separating them by great distances, we can ‘teleport’ information about…
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Is dark energy weakening? DESI’s results are ambiguous | by Ethan Siegel | Starts With A Bang! | Apr, 2025
This fun graphic illustrates the tension on Λ, Einstein’s cosmological constant, exerted by combining supernova data (right), baryon acoustic oscillations…
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Ask Ethan: Can we turn Einstein’s equations into Newton’s law? | by Ethan Siegel | Starts With A Bang! | Mar, 2025
There may never be another Einstein or another Newton, but we can all learn to utilize their equations under the…
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Science’s great paradox: we don’t know what we don’t know until we look | by Ethan Siegel | Starts With A Bang! | Mar, 2025
This side-by-side view shows the same object, the Pillars of Creation, as captured by JWST in both mid-infrared light (at…
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How to tell which edge of a galaxy is tipped towards you | by Ethan Siegel | Starts With A Bang! | Mar, 2025
This image shows the dusty galaxy NGC 4526, the galaxy that famously hosted a bright supernova back in 1994. It…
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Ask Ethan: Why do galaxies still collide in the expanding Universe? | by Ethan Siegel | Starts With A Bang! | Mar, 2025
The pair of interacting galaxies in the process of a merger, known as IC 1623, is imaged here by JWST.…
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