The Milky Way glows brightly in first-of-its-kind neutrino image
IceCube has produced the first neutrino image of the Milky Way, revealing high-energy particle activity concentrated along our…
The Oh-My-God particle still defies explanation
On the evening of October 15, 1991, the University of Utah’s Fly’s Eye detector at Dugway Proving Ground…
Scientists discover remnants of Jellyfish Nebula’s ‘sibling’ supernova
Millions of years ago two massive stars circled each other in a cosmic dance. Then one of the…
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…
The Amaterasu Particle May Not Be a Proton at All, New Research Suggests
In 2021, scientists detected a cosmic ray entering Earth’s atmosphere with as much kinetic energy as a fast-moving…
Jupiter Accelerates Electrons to Near-Light Speed, Offering Clues to Cosmic Ray Origins
The giant planet’s bow shock isn’t just deflecting the solar wind, it’s acting as a powerful particle accelerator,…
A binary star breaks the 100 TeV barrier, rewrites cosmic particle limits
For years, scientists have searched for the sources of the most energetic particles in our galaxy, cosmic rays…
Space weather can be deadly. Here’s how NASA protects the Artemis II crew.
The Artemis II crew’s vessel, Orion, is the first vehicle designed explicitly to deal with risks like high-energy…
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’s Fermi Spots Young Star Cluster Blowing Gamma-Ray Bubbles
For the first time, astronomers using NASA’s Fermi Gamma-ray Space Telescope have traced a budding outflow of gas…