Explosion of Supergiant Star Captured by Astronomers
Using a University of Hawaiʻi telescope on Haleakala and another on Maunakea, astronomers, for the very first time, imaged the dramatic end to a red…
Supernova
Astronomers Witness a Massive Dying Star Reach Its Explosive End
Two Hawai’i Telescopes Capture a Massive Star Moments Before Going Supernova For the very first time, astronomers have imaged in real time the dramatic end…
Astronomers Capture Red Supergiant Star Exploding in Massive Supernova – For the Very First Time
Astronomers Capture Red Supergiant’s Death Throes “For the first time, we watched a red supergiant star explode,” researcher says. For the first time ever, astronomers…
Remarkable Connection Discovered Between Supernovae and Life on Earth
A remarkable link between the number of nearby exploding stars, called supernovae and life on Earths has been discovered. Evidence demonstrates a close connection between…
Science Made Simple: What Are Supernovae?
A supernova is the colossal explosion of a star. Scientists have identified several types of supernova. One type, called a “core-collapse” supernova, occurs in the…
New Astrophysical Study Probes X-Ray Bursts From Low-Mass X-Ray Binaries
An international research team has performed a new measurement of an important astrophysical reaction, 22Mg(a, p)25Al, providing essential experimental data for understanding the light curve…
Super-Bright Extragalactic Stellar Explosion – “The Cow” – Is Likely a Dying Star Giving Birth to a Black Hole or Neutron Star
The discovery, based on an unusual event dubbed “The Cow,” may offer astronomers a new way to spot infant compact objects. In June of 2018,…
Hubble Captures the Unusual Shredded Remains of a Massive Cosmic Explosion
These cosmic ribbons of gas have been left behind by a titanic stellar explosion called a supernova. DEM L249 is thought to be the remnant…
A Cosmic Powder Keg: When a Stable Star Explodes
The supernova remnant G344.7-0.1 is across the Milky Way about 19,600 light years from Earth. It belongs to a class of supernovas called “Type Ia”…
Neutron Stars’ Surprising Secrets Revealed by Gravitational Waves
The confirmation of gravitational waves back in 2017 continues to unlock whole new worlds of physics but also continues to elicit further questions. The detection…
Supernova Déjà-Vu: Astronomers Spot the Same Stellar Explosion Three Times – And Predict a Fourth Sighting in 16 Years
An enormous amount of gravity from a cluster of distant galaxies causes space to curve so much that light from them is bent and emanated…
Astrophysicists Explain Puzzling Results From Gravitational Wave Observatories
Astrophysicists Explain the Origin of Unusually Heavy Neutron Star Binaries Simulations of supernova explosions of massive stars paired with neutron stars can explain puzzling results…
Probing Mysterious “Afterglow” X-Ray Remnants From Extreme Cosmic Bursts of Light
Short gamma-ray bursts are extremely bright bursts of high-energy light that last for a couple of seconds. In many of these bursts, there is a…
Astronomers Solve 900-Year-Old Cosmic Mystery Surrounding Famous Chinese Supernova of 1181AD
A 900-year-old cosmic mystery surrounding the origins of a famous supernova first spotted over China in 1181AD has finally been solved, according to an international…
Supernova Requiem: Rerun of Massive Blast From Exploding Star Expected To Appear in 2037
Giant Galaxy Cluster Magnifies the Light from a Distant Supernova and Splits It into Multiple Images People over the centuries haven’t been shy about making…
A Black Hole Triggers a Premature Supernova – First Observation of a Brand-New Kind of Supernova
The first observation of a brand-new kind of supernova had been predicted by theorists but never before confirmed. In 2017, a particularly luminous and unusual…
Stellar Collision Triggers Supernova Explosion – “This Is the First Time We’ve Actually Seen Such an Event”
Astronomers have found dramatic evidence that a black hole or neutron star spiraled its way into the core of a companion star and caused that…
Astronomers Discover Surprising Cause of a “Fizzled” Gamma-Ray Burst
Astronomers Uncover Briefest Supernova-Powered Gamma-Ray Burst Gemini North identifies collapsing star as the surprising cause of a “fizzled” gamma-ray burst. Astronomers have discovered the shortest-ever…