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Wednesday, November 17, 2021

What Is the Origin of Gold, Uranium? Black Holes May Have the Answer

While all heavy metals have formed under extreme conditions inside stars or due to stellar explosions and collision of neutron stars, the question remains: when and why was the material ejected and...

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Russian Cosmonauts Install Semiconductor Experiment During ISS Spacewalk

Two Russian cosmonauts, Sergey Ryzhikov and Alexey Zubritsky, carried out a six-hour spacewalk outside the ISS on Oct. 16, 2025. They instal...