The universe may contain a staggering 40 quintillion black holes
Astronomers estimate that about 40 quintillion stellar-mass black holes exist within the observable universe, a number written as…
‘Cosmic Glitch’ could explain why gravity acts differently across the Universe
Einstein’s theory of gravity may behave slightly differently across distances of billions of light-years, with gravity appearing about…
This Suitcase-Sized Spacecraft Could Detect a Signal From Before Stars Existed
Artist’s impression of the CosmoCube satellite. Credit: Surrey Space Technology Ltd A suitcase-sized satellite could use the Moon’s…
Astronomers Detect a Record-Breaking “Cosmic Laser” From 8 Billion Light-Years Away
Illustration of the distant galaxy 8 billion light-years away (red), magnified by an unrelated foreground disk galaxy, resulting…
The Milky Way may have merged with another galaxy shortly after the Big Bang
ⓘ NASA – Unsplash An artist’s illustration showing two galaxies. Since its formation, the Milky Way has merged…
Extreme X-rays from a magnetar exposes that empty space may not be empty
A highly magnetized neutron star produced unusually polarized X-rays, offering some of the strongest evidence yet that empty…
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…
Three supermassive black holes have been discovered in the same galaxy
If black holes fascinate astronomers, it is mainly because of their power, but also because of the many…
Astronomers have observed a wandering black hole shredding a star
ⓘ NASA – Unsplash An illustration showing a star and a galaxy. Astronomers have recently detected a black…
New cosmology model finds that dark matter doesn’t exist
A proposed cosmology model argues that the universe may contain ordinary matter alone, without dark matter or dark…
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…
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…