SCIENCE
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The cosmic redemption of astronomer John Couch Adams | by Ethan Siegel | Starts With A Bang! | Jul, 2024
This portrait of astronomer John Couch Adams, drawn by J.S. Stodart after a photograph by J.E. Mayall. Adams, although initially…
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Ask Ethan: Is Earth’s climate changing as the Sun loses mass? | by Ethan Siegel | Starts With A Bang! | Jul, 2024
Over time, the Sun loses mass through the emission of solar wind particles and the process of internal nuclear fusion.…
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Why doesn’t the expanding Universe break the speed of light? | by Ethan Siegel | Starts With A Bang! | Jul, 2024
For the first several billion years of our Universe’s history, the Universe’s expansion rate was decreasing and distant galaxies slow…
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Why humanity is a cosmic tale of despair and hope | by Ethan Siegel | Starts With A Bang! | Jul, 2024
In 1977, NASA’s Voyager 1 and 2 spacecraft began their pioneering journey across the Solar System to visit the giant…
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Ask Ethan: Is it all-or-nothing for the expanding Universe? | by Ethan Siegel | Starts With A Bang! | Jul, 2024
At the start of the hot Big Bang, the Universe was rapidly expanding and filled with high-energy, very densely packed,…
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The mystery of the Moon’s two faces could soon be solved | by Ethan Siegel | Starts With A Bang! | Jul, 2024
This two-faced mosaic from NASA’s Lunar Reconnaissance Orbiter shows the near side (L) and the far side (R) of the…
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Ask Ethan: Could gravitational waves collapse into a black hole?
Gravitational waves carry enormous amounts of energy, but spread out quickly once they leave the source. Could they ever create…
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How traveling back in time is permitted by Einstein’s physics
Traveling back in time is a staple of science fiction movies. But according to Einstein, it’s a physical possibility that’s…
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7 bizarre facts about the Solar System to stump any scientist
From the coldest planets to spacecraft that have exited the Solar System, these little-known facts stump even many professional… Continue…
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Ask Ethan: Is the Universe finite or infinite?
The Universe’s history, from cosmic inflation to the Big Bang to the present, is known. But whether it’s infinite or…
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