Of the heavy metals spewed by dying stars, the astronomers were particularly interested in iron-60. That’s because iron-60 is ...

NASA’s Fermi Gamma-ray Space Telescope "detected none of the high-energy gamma-ray light" from a nearby supernova. NASA explains. Credit: NASA Goddard Space Flight Center ...

Skygazers are still waiting for the celestial event of the year, when a dance between two stars 3,000 light-years away ends in a massive explosion and creates a new dazzling temporary "star" in the ...

StarBurst, a wide-field gamma ray observatory, arrived at March 4 for environmental testing and final instrument integration.

Simulations of highly magnetized stars that explode and collapse into black holes show that they transfer their magnetic fields to the disk of swirling matter that forms around the new black hole.

Researchers bombarded these hybrid lifeforms with a year's worth of Martian radiation in just 5 hours — and they survived, ...