Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found… Continue a ler »Betelgeuse has a tiny companion star hidden in plain sight
While SpaceX’s Starlink satellites are enabling internet access and cell phone communications around the globe, they’re also posing a threat… Continue a ler »Starlink satellites’ leaky radio waves obscure the cosmos
At age 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how lots of people… Continue a ler »How did dark matter shape the universe? This physicist has ideas
Satellites hampering radio astronomy — Science News, October 5, 1974 In the past, the satellites and probes launched by NASA… Continue a ler »50 years ago, satellites threatened astronomers’ view of the cosmos
Dozens of runaway stars were caught escaping from a dense star cluster in a satellite galaxy of the Milky Way.… Continue a ler »Runaway stars can impact the cosmos far away from their galaxies
As more and more species come close to extinction, scientists have been collecting samples of animals, plants and other creatures… Continue a ler »Scientists want to send endangered species to the moon