iPTF14hls: the star that has exploded six times and defies all theories
When astronomers first observed iPTF14hls in September 2014, they identified it as a supernova and expected it to…
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…
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…
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.…
This Giant Star Just Switched Colors—and It Might Be About to Blow
A massive star nearing the end of its life has donned a new face, changing color and becoming…
NASA’s Webb Telescope Locates Former Star That Exploded as Supernova
Forty million years ago, a star in a nearby galaxy exploded, spewing material across space and generating a…
Dark energy: what if the universe changed its destiny right before our eyes?
Dark energy: what if the universe changed its destiny right before our eyes? – Futura-Sciences January 27, 2026…
Astronomers may have detected a first-of-its-kind superkilonova
The three stages of a theoretical superkilonova are imagined in this artist’s concept. A rapidly spinning massive star’s…
Webb Traces Distant Explosion to Oldest Supernova Ever Observed
Earlier this year, a powerful gamma-ray burst traveled through space from a very distant source in the cosmos.…
NASA’s Webb Identifies Earliest Supernova to Date, Shows Host Galaxy
NASA’s James Webb Space Telescope has observed a supernova that exploded when the universe was only 730 million…