One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...
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Supergiant star Betelgeuse is full of mysteries. New observations might solve the biggest one
Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.
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James Webb Space Telescope discovers what remains after two stars collide and explode as a red nova
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The protostar is launching the longest outburst ever seen at 32 light-years long.
"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most ...
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