The dark object has a mass a million times greater than our sun's is located 10 billion light-years away and has no stars. A "dark object" detected as an anomalous notch in the arc of a ...

In a groundbreaking study published inNature Astronomy, astronomers have identified the lowest-mass dark object ever discovered through gravitational lensing. This breakthrough provides significant ...

How do you distinguish a galaxy from a mere cluster of stars? That's easy, right? A galaxy is a large collection of millions or billions of stars, while a star cluster only has a thousand or so. Well, ...

WASHINGTON, June 16 (Reuters) - The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a grand scale. And there is ordinary matter ...

Researchers found for the first time evidence that even microquasars containing a low-mass star are efficient particle accelerators, which leads to a significant impact on the interpretation of the ...

The map, assembled with data from the Gaia spacecraft, shows how the spread of dark matter across space matches that described by the Cosmic Microwave Background. When you purchase through links on ...

At age 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how lots of people were buying A Brief History of Time by Stephen Hawking. “But then … nobody was actually reading it ...

Theresa Fruth works for the University of Sydney. Most of the matter in the universe is missing. Scientists believe around 85% of the matter in the cosmos is made of invisible dark matter, which has ...

Galaxies can receive and exchange matter with their external environment thanks to the galactic winds created by stellar explosions. Thanks to the MUSE instrument1 from the Very Large Telescope at the ...