Rather than relying on a cheek swab or a little blood, however, these cosmic DNA tests utilize tiny ripples in the fabric of spacetime called gravitational waves, first proposed by Albert Einstein 110 ...
After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.
In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again by 2020 -- only to dramatically increase its output again in 2023. At that ...
"It's believed that this material can form the approximate geometrical shape ... be hiding as many as 15% of feeding supermassive blackholes from our view. Boorman and colleagues tested this ...
The universe could be home to far more supermassive blackholes than we realised, according to new research. Many of them are hidden beyond our view, the researchers suggest – which might mean ...