Until 9 p.m. Pacific Standard time tonight you can play a part in naming NASA’s Mars 2020 Rover. Last year, more than 28,000 essays were submitted in the naming contest by students. After a...
Betelgeuse Is Dimming: Will It Explode Soon?
The luminous red star in Orion’s shoulder, Betelgeuse, has been dimming. Betelgeuse has long been one of the brightest stars in the sky, and it is likely over 8.5 million years old. The sudden dimming of the star has...