One of the largest stars close enough for us to estimate its size, WOH G64, appears to have gone from red to yellow in 2013-14, indicating a temperature rise of about 1,000°C (1,800°F). Last year it ...
Betelgeuse, one of the most famous stars, is set to go supernova soon. This event will make it shine as brightly as the full moon and may even be visible during the day. In this video, we explore the ...