CERN recreates cosmic ray collisions to reveal what happens when space particles hit Earth
Physicists at CERN have directly measured proton-oxygen collisions at 9.62 TeV per nucleon pair, closely recreating an important…
Les Neutrinos: The Ghosts of the Sun, The Great Neutrino Mystery
Dear readers, faithful companions of the lantern and the basketball, Before we speak of the stars, allow me…
First indication of diffuse supernova neutrino background emerges from Super-Kamiokande
The DSNB consists of neutrinos released by every core-collapse supernova since the early Universe. Unlike neutrinos detected from…
NASA’s Fermi Mission Uncovers Possible Sibling Supernova Remnants
A new study of two supernova remnants, the debris left behind after stars explode, suggests the explosions came…
NASA’s Chandra Finds Unexpected Fireworks in Aftermath of Stellar Explosions
The aftermath of a supernova, a stellar explosion, is usually a slowly fading cloud of hot gas. So…
NASA’s Chandra Discovers Possible Supernova Remnant in Galactic Center
Using data from NASA’s Chandra X-ray Observatory, astronomers may have found a supernova remnant in an intriguing neighborhood…
Astronomers may have discovered one of the rarest explosions in the universe
ⓘ NASA – Unsplash An illustration showing a neutron star and another star. By studying a supernova that…
NASA’s Fermi Glimpses Power Source of Supercharged Supernovae
An international team studying data from NASA’s Fermi Gamma-ray Space Telescope concludes the mission detected a rare, unusually…
How can a young blue giant have a white dwarf companion star that’s billions of years older?
Sirius is a blue giant, which burns through its fuel quickly and lives only a relatively short period…
NASA-JAXA’s XRISM Telescope Clocks Hot Wind of Galaxy M82
For the first time, astronomers have directly measured the speed of superheated gas billowing from a cauldron of…
NASA X-Ray Mission Gets Fresh Look at 2,000-Year-Old Supernova
NASA’s IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, helping…
Ancient Milky Way stars challenge the age of the universe and the Hubble tension
The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments.…