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By Will Dunham WASHINGTON (Reuters) - Astronomers have detected an intense flash of radio waves coming from what looks like a merger of galaxies dating to about 8 billion years ago - the oldest-known instance of a phenomenon called a fast

By Will Dunham WASHINGTON (Reuters) - Astronomers have spotted an immensely energetic explosion emanating from an ancient galaxy, apparently triggered by a type of star destruction hypothesized for decades but never before observed. You might call it stellar death by demolition

A perfectly spherical explosion, called a kilonova, that followed the merger of two very defense objects called neutron stars - remnants of massive stars after supernova explosions ? that was observed 140-150 million light-years away from Earth is seen in

An illustration showing the frigid distant world Quaoar, orbiting in our solar system beyond Pluto, surrounded by its newly discovered ring, along with its moon Weywot. ESA, CC BY-SA 3.0 IGO/Handout via REUTERS By Will Dunham WASHINGTON (Reuters) - The small distant

The Milky Way is seen in the night sky around telescopes and camps of people over rocks in the White Desert north of the Farafra Oasis southwest of Cairo May 16, 2015. REUTERS/Amr Abdallah Dalsh/File Photo By Will Dunham WASHINGTON (Reuters) -