This Wolf–Rayet star is known as WR 31a, located about 30,000 light-years away in the…
Category:
SCIENCE
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SCIENCE
The evidence for biosignatures on K2–18b is flimsy, at best | by Ethan Siegel | Starts With A Bang! | Apr, 2025
While there are a great number of exoplanets out there that may house life, including…
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SCIENCE
Ask Ethan: What right do we have to colonize other worlds? | by Ethan Siegel | Starts With A Bang! | Apr, 2025
This illustration shows a human colony within a dome on an otherwise uninhabited planet. Humans…
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SCIENCE
Science’s value, unlike NASA, cannot be destroyed by politics | by Ethan Siegel | Starts With A Bang! | Apr, 2025
In July of 1969, humanity took our first steps on the surface of another world:…
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SCIENCE
Ask Ethan: Couldn’t COVID-19 have originated in a Chinese Lab? | by Ethan Siegel | Starts With A Bang! | Apr, 2025
The SARS virus (orange) has a crown-like structure, meaning that it’s part of the coronavirus…
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SCIENCE
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…
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SCIENCE
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…
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SCIENCE
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…
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SCIENCE
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…
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SCIENCE
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,…