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Science’s best answer to “where did the Universe come from?”
Science’s best answer to “where did the Universe come from?”
Perhaps no existential question looms larger than that of our ultimate cosmic origins. At long last, science has provided the answers.
Ethan Siegel
Apr 22
See NASA’s most important image in space telescope history
See NASA’s most important image in space telescope history
The Hubble Space Telescope, launched in 1990, was originally seen as a colossal mistake. This one image, taken in 1995, changed everything.
Ethan Siegel
Apr 21
Ask Ethan: Couldn’t COVID-19 have originated in a Chinese Lab?
Ask Ethan: Couldn’t COVID-19 have originated in a Chinese Lab?
In theory, scientists could’ve produced a deadly virus that accidentally infected lab workers. In practice, we know that didn’t happen.
Ethan Siegel
Apr 18
Why nuclear reactions on an exoplanet won’t imply alien life
Why nuclear reactions on an exoplanet won’t imply alien life
Planets can create nuclear power on their own, naturally, without any intelligence or technology. Earth already did: 1.7 billion years ago.
Ethan Siegel
Apr 17
The sky is brighter than astronomers imagined
The sky is brighter than astronomers imagined
The most famous Hubble images show glittering stars and galaxies amidst the black backdrop of space. But more was captured than we…
Ethan Siegel
Apr 16
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