Back to Article List From the August 2008 issue How many supernovae explode each second in the universe? Allen Dailey, Sedona, Arizona By Astronomy Staff | Published: August 25, 2008 | Last updated on May 18, 2023 Key Takeaways: Putting these numbers together, about 40 supernovae are exploding somewhere in the universe every second.
Robotic Spaceflight, Science How a signal from a 60-year-old satellite baffled astronomers for over a year
Solar System Senators Kelly and Cornyn introduce resolution recognizing June 30 as National Asteroid Day