Astronomers Think They’ve Found the Best Evidence for Dark Matter Yet
Dark matter, the elusive, invisible stuff that astronomers say constitutes roughly 85% of the universe’s mass, doesn’t interact…
Astronomers Detect a Cosmic Source Firing Changing Gamma Rays
Astronomers have long suspected that some of the universe’s most powerful particle accelerators lurk in binary star systems.…
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…
New Discovery Links Cosmic X-Ray Flashes to Gamma-Ray Bursts
Fast X-ray Transients (FXTs) are some of the most enigmatic high-energy events in astrophysics. They show extraordinary soft…
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 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…
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…
Astronomers Just Found a Monster Cosmic Explosion in the Last Place They Expected
Most gamma-ray bursts—the brightest, most powerful explosions in the universe—are tracked back to the deaths of massive stars.…
NASA Puts 21-Year-Old Spacecraft on Pause to Keep It From Crashing Into Earth
NASA is racing to save an aging space telescope before it burns up in Earth’s atmosphere. To do…
Shaken, Not Stirred: NASA’s StarBurst Aces Extreme Temperature Tests
Heated, cooled, shaken, and settled – NASA’s StarBurst instrument is several steps closer to being ready for launch.…
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…
Scientists May Have Finally Seen Dark Matter
The universe has no shortage of mysteries, many of which have puzzled us for ages. One of the…