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.…
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…
NASA-JAXA XRISM Finds Elemental Bounty in Supernova Remnant
For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage…
NASA’s Chandra Reveals Star’s Inner Conflict Before Explosion
The inside of a star turned on itself before it spectacularly exploded, according to a new study from…