Back when the universe was half its present age, supermassive black holes were feeding from a steady and plentiful diet of neighboring galaxies, the first measurement of a distant supermassive black hole’s spin shows.
Astronomers using NASA's Spitzer Space Telescope have spotted a star ripping through space, generating a violent bow shock ahead of its relentless rampage through the interstellar medium.
Scientists in Germany said Wednesday they had made the most precise measurement yet of the mass of the electron, one of the building blocks of matter.
New concerns about the world-ending potential of the second most powerful particle accelerator in the world stems from a misconception of "risk." Continue reading →
Dark matter may reveal itself during the next decade.
The renowned physicist has thrown the black hole "firewall paradox" into the limelight by suggesting black holes' event horizons be replaced with "apparent horizons." Continue reading →
If we could harness the energy generated by an evaporating black hole, we might be able to bridge the vast space between the stars.
Physicists have tried searching for time travelers on the Internet. But they didn't find any.
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