WASHINGTON, July 29 : Betelgeuse is a superstar among the stars — one of the brightest in the night sky, a massive red supergiant in the constellation Orion that sometimes brightens and dims, and adds to its allure with the fact that it may be on the brink of exploding. It has been observed for millennia, b

After decades of hints and speculation, scientists have at last unveiled the hidden companion to the iconic star Betelgeuse

"These are among the best moments in science: seeing something new, unexpected."