For the first several billion years of our Universe’s history, the Universe’s expansion rate…
Category:
SCIENCE
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SCIENCE
The red color of Mars is mere inches deep | by Ethan Siegel | Starts With A Bang! | May, 2025
This sand dune, known as Dingo Gap, was crossed by Mars Curiosity in 2014.…
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SCIENCE
11 NASA astrophysics missions face risk of cancellation | by Ethan Siegel | Starts With A Bang! | May, 2025
To learn how galaxies grow and evolve over cosmic time, including an understanding of…
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SCIENCE
Ask Ethan: Has the USA become a fascist nation in 2025? | by Ethan Siegel | Starts With A Bang! | May, 2025
Fascism isn’t defined by symbols like a strong-arm salute, a red hat, or a…
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SCIENCE
The most “boring” part of cosmic history shaped our modern Universe | by Ethan Siegel | Starts With A Bang! | May, 2025
This illustration shows a series of galaxies distributed throughout space, with many galaxies distributed…
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SCIENCE
Ask Ethan: Is dark energy just leftover momentum from the Big Bang? | by Ethan Siegel | Starts With A Bang! | May, 2025
By mapping out the three-dimensional positions of galaxies over a large volume of the…
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SCIENCE
A new collider can teach us about the origin of matter | by Ethan Siegel | Starts With A Bang! | May, 2025
Although there are many novel proposals for new particle colliders, including in China, at…
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SCIENCE
Ask Ethan: When do stars turn the most mass into energy? | by Ethan Siegel | Starts With A Bang! | May, 2025
This Wolf–Rayet star is known as WR 31a, located about 30,000 light-years away in…
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SCIENCE
The importance of caring about the truth | by Ethan Siegel | Starts With A Bang! | Apr, 2025
The lab leak conspiracy theory, promoted here in 2021 by Sen. Rand Paul, vilifies…
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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.…