Cosmic Rays Help Supernovae Explosions Pack a Dramatically More Massive Punch
The final stage of cataclysmic explosions of dying massive stars, called supernovae, could pack an up to six times bigger punch on the surrounding interstellar…
Supernova
Tragic Teardrop Star Reveals Hidden Supernova Doom
Astronomers have made the rare sighting of two stars spiraling to their doom by spotting the tell-tale signs of a teardrop-shaped star. The tragic shape…
Massive Stellar Explosion Illuminates Thousand-Year-Old Astronomical Mystery
A star in a distant galaxy blew up in a powerful explosion, solving an astronomical mystery. Dr. Iair Arcavi, a Tel Aviv University researcher at…
Impending Supernova Doom: Astronomers Rare Sighting of a Teardrop-Shaped Star
International team led by University of Warwick makes rare sighting of a binary star system heading towards supernova Star system’s fate was identified from its…
“What’s This Weirdo?” – A New Type of Supernova Illuminates an Old Mystery
A worldwide team led by scientists at Las Cumbres Observatory has discovered the first convincing evidence for a new type of stellar explosion — an…
Mystery Star Explained by New Type of Massive Cosmic Explosion – 10x More Energetic Than a Supernova
‘Magneto-rotational hypernova’ soon after the Big Bang fuelled high levels of uranium, zinc in ancient stellar oddity. A massive explosion from a previously unknown source…
New, Third Type of Supernova Discovered: An Electron-Capture Supernova
An international team of astronomers has observed the first example of a new type of supernova. The discovery, confirming a prediction made four decades ago,…
Discovery of a New Type of Stellar Explosion – An Electron-Capture Supernova – Illuminates a Medieval Mystery
A team led by astronomers at UC Santa Barbara have confirmed the existence of an elusive new type of supernova. A worldwide team led by…
Astronomers Capture Cosmic Hand Hitting a Wall – Watch Blast Wave Moving at 9 Million MPH
Watch as the blast wave from an exploded star moves at nearly 9 million miles per hour. Astronomers captured this movement by combining data spanning…
An Inconstant Hubble Constant? New Research Suggests Fix to Cosmological Cornerstone
More than 90 years ago, astronomer Edwin Hubble observed the first hint of the rate at which the universe expands, called the Hubble constant. Almost…
Gamma-Ray Bursts – Bright Cosmic Explosions – Could Reveal Strange Interstellar “Knots”
Gamma-ray bursts are enormous cosmic explosions and are one of the brightest and most energetic events in the Universe. Their brightness changes over time, illuminating…
Blistering Stars in the Universe: Rare Insights Into How Violent Supernova Explosions Affect Nearby Stars
What happens if a supernova explosion goes off right beside another star? The star swells up, which scientists predict as a frequent occurrence in the…
NASA’s Roman Mission: Using Exploding Stars to Solve the Biggest Cosmic Mysteries
NASA’s upcoming Nancy Grace Roman Space Telescope will see thousands of exploding stars called supernovae across vast stretches of time and space. Using these observations,…
Unknown Physics on the Cosmic Scale? 1000 Supernova Explosions Chart the Expansion History of the Universe
An international research team analyzed a database of more than 1000 supernova explosions and found that models for the expansion of the Universe best match…
Alien Radioactive Element Discovered in the Ocean Crust
The first-ever discovery of an extraterrestrial radioactive isotope on Earth has scientists rethinking the origins of the elements on our planet. The tiny traces of plutonium-244…
“Oddball Supernova” Appears Strangely Cool Before Exploding – “Stretches What’s Physically Possible!”
Never-before-seen scenario ‘stretches what’s physically possible.’ A curiously yellow star has caused astrophysicists to reevaluate what’s possible within our universe. Led by Northwestern University, the…
Twin Supernovae Open Up New Possibilities for Precision Cosmology
Cosmologists have found a way to double the accuracy of measuring distances to supernova explosions – one of their tried-and-true tools for studying the mysterious…
Mysterious Hydrogen-Free Supernova Sheds Light on Massive Stars’ Violent Death Throes
A curiously yellow pre-supernova star has caused astrophysicists to re-evaluate what’s possible at the deaths of our Universe’s most massive stars. The team describes the…