New Gaia data is challenging a 50-year-old assumption about how stars and galaxies form
Astronomers found that star clusters do not always form the same balance of small and large stars, challenging…
Vigorous turbulence driven by quasar-mode feedback in a cluster core
The X-Ray Imaging and Spectroscopy Mission (XRISM)1 is the successor to the Hitomi X-ray observatory2, which ceased operations…
Astronomers find four Barnard’s Star planets to be small, uninhabitable, with years lasting only days
Barnard’s Star has four small rocky planets packed extremely close to the star.Their atmospheres probably disappeared billions of…
New study challenges existing knowledge for why galaxies stop forming stars
Most galaxy collisions do not cause galaxies to stop making new stars.A galaxy’s central black hole and its…
Mathematician Offers New Solution to a Fundamental Cosmic Paradox
A thermodynamic analysis of spacetime also points to an unexpected role for emergent dark energy and hints that…
Scientists find evidence of a rare double supernova in the Jellyfish Nebula
Astronomers found evidence that the Jellyfish Nebula, or IC 443, and the fainter remnant G189.6+3.3 may have formed…
First rocky planet with an atmosphere located in the habitable zone of a star 49 light-years away
A rocky planet 49 light-years from Earth appears to have retained an atmosphere despite orbiting a red dwarf…
Black Hole “ringing” could put Einstein’s theory to its toughest test
A newly merged black hole does not become quiet at once. It vibrates, sheds energy through gravitational waves…
Dark matter may be naturally tuned to a hidden fifth dimension
Dark matter appears to hold galaxies together, yet it has never shown itself directly. A new theory suggests…
JWST reveals how a supermassive black hole keeps feeding itself
Supermassive black holes can heat the gas around them so fiercely that their own food supply should disappear.…
Strange gravitational waves may reveal dark matter near merging black holes
The evidence for dark matter is everywhere and the evidence for dark matter is nothing. Galaxies rotate in…
Decades-Old Dark Matter Explanation Fails Its Most Direct Test Yet
A decades-old dark matter claim is facing a decisive new challenge. The result clears the way for future…