“Hoinga” Surprise – Debris of Stellar Explosion Found at Unusual Location
eROSITA space telescope finds largest supernova remnant ever discovered with X-rays. In the first all-sky survey by the eROSITA X-ray telescope onboard SRG, astronomers at…
Supernova
New Clues to Remains of Star That Exploded Just Outside Our Galaxy
What remains of the star that exploded just outside our galaxy in 1987? Debris has obscured scientists’ view, but two of NASA’s X-ray telescopes have…
Reclusive Neutron Star May Have Been Found in Famous Supernova SN 1987A
Astronomers now have evidence from two X-ray telescopes (Chandra and NuSTAR) for a key component of a famous supernova remnant. Supernova 1987A was discovered on…
Intriguing Remains of a Rare Stellar Explosion Discovered in Milky Way Center
Scientists have discovered the first evidence for a rare type of stellar explosion, or supernova in the Milky Way. This intriguing object lies near the…
Artificial Intelligence Classifies Real Supernova Explosions With Unprecedented Accuracy
A new machine learning algorithm trained only with real data has classified over 2,300 supernovae with over 80% accuracy. Artificial intelligence is classifying real supernova…
Supernova Surprise Creates Elemental Mystery – Most Important Reaction in the Universe Can Get a Huge and Unexpected Boost
Michigan State University researchers have discovered that one of the most important reactions in the universe can get a huge and unexpected boost inside exploding…
Massive Explosions of Energy Far From Earth May Have Left Traces in Our Planet’s Biology and Geology
Massive explosions of energy happening thousands of light-years from Earth may have left traces in our planet’s biology and geology, according to new research by…
Exploring the Cosmos’ Fundamental Mysteries: New CubeSat Will Observe the Remnants of Massive Supernovas
Scientists at CU Boulder are developing a satellite about the size of a toaster oven to explore one of the cosmos’ most fundamental mysteries: How…
Lonely Origin of Cassiopeia A Revealed: One of the Most Famous Supernova Remnants
Massive stars end their lives with energetic explosions known as supernova explosions. ‘Stripped-envelope supernovae’ show weak or no traces of hydrogen in its ejecta, meaning…
Stellar Explosion Blamed for Mass Extinction Event on Earth 360 Million Years Ago
Between a decline in biodiversity and a series of extinction events, the Late Devonian period was not the most hospitable time on Earth. And then…
Hubble Observes Spectacular Supernova Time-Lapse – “No Earthly Fireworks Display Can Compete”
The NASA/ESA’s Hubble Space Telescope has tracked the fading light of a supernova in the spiral galaxy NGC 2525, located 70 million light years away….
Titanic Stellar Time-Lapse: Hubble Watches Exploding Star Fade Into Oblivion
When a star unleashes as much energy in a matter of days as our Sun does in several billion years, you know it’s not going…
Colossal Stellar Explosion Near Earth Revealed by Layers of Manganese Crust
Discovery of iron-60 and manganese-53 substantiates supernova 2.5 million years ago. When the brightness of the star Betelgeuse dropped dramatically a few months ago, some…
Solving a Solar System Mystery With Ancient Star Explosion Evidence From the Deep Sea
A mystery surrounding the space around our solar system is unfolding thanks to evidence of supernovae found in deep-sea sediments. Professor Anton Wallner, a nuclear…
Unprecedented Observations of Calcium-Rich Supernova Reveals a Compact Star’s Final Moments
Called “calcium-rich supernovae,” these stellar explosions are so rare that astrophysicists have struggled to find and subsequently study them. The nature of these supernovae and…
Debris From Stellar Explosion Not Slowed After 400 Years: Still Blasting Away at Over 20 Million MPH [Video]
Astronomers have used NASA’s Chandra X-ray Observatory to record material blasting away from the site of an exploded star at speeds faster than 20 million…
“Green Bananas” – New Research Shows Exploding Stars May Have Caused Mass Extinction on Earth
Imagine reading by the light of an exploded star, brighter than a full moon – it might be fun to think about, but this scene…
Astronomers Sink Their Teeth Into Special Supernova – Exploding Stars Produce the Calcium in Our Bones and Teeth
Calcium-rich supernovae, a unique type of exploding stars, produce up to half of the calcium in the Universe. Astronomers using several telescopes at NOIRLab, including…