Science & Environment
'Stupendously large' primordial black holes ruled out as a dark matter source
Source: Phys.org - latest science and technology news stories · Published

Primordial black holes are hypothetical objects that could have formed directly from dense clumps of matter in the very early universe. If they exist, their dramatic origins would set them apart from the black holes we see today, which form when massive stars collapse. Some theor
Primordial black holes are hypothetical objects that could have formed directly from dense clumps of matter in the very early universe. If they exist, their dramatic origins would set them apart from the black holes we see today, which form when massive stars collapse. Some theories suggest that "stupendously large" primordial black holes could account for a significant share of the universe's elusive dark matter.
Related stories
Scientists just found a loophole that could let black holes split in two
Scientists have discovered a possible loophole in the laws that normally prevent black holes from splitting apart, suggesting that extremely fast-spinning black holes might divide into two. The surprising finding raises the possibility of an entirely new black hole phenomenon tha
All Top News -- ScienceDaily ·

The 19 Best Early Black Friday Deals 2026
The early bird gets the worm. Here are the best Black Friday deals for 2026 you can already get right now.
WIRED ·

Identity, resilience and community: early Black portrait photography – in pictures
A new Washington DC exhibition aims to show how African Americans have used portrait photography to depict themselves, their communities, their aspirations and their identities. Titled Remember Me: Picturing African Americans in Early Photography , the exhibit at the National Gal
Culture | The Guardian ·

‘A hero’s origins’: the true story of the first Black drag queen presidential candidate
In off-Broadway show Ms Blakk for President, Oscar-winning Moonlight writer Tarell Alvin McCraney explores a slice of underappreciated queer history At the height of the Aids crisis, the Chicago activist Terence Alan Smith put on his drag persona, Joan Jett Blakk, and announced s
Culture | The Guardian ·

David Squires on … Mikel Arteta’s view that football is not Disneyland
Our cartoonist on whether the Arsenal manager is right about the game not being an entertainment industry Buy a cartoon | Some of David’s favourite works And his latest book, Chaos in the Box: get it now Continue reading...
Sport | The Guardian ·