Without the unique geologic structure of the inland blue holes—deep, dark, sheltered, with little tidal flow—specialized bacteria studied by Macalady would never have gained a foothold.

Intriguingly, ultralight dark matter might be able to turn into photons (light) — and it's through this process that the ...

Falling head over heels into a good old fashioned Wikipedia hole is a delightful way to spend the hours of 1 to 3 a.m. It hits a very specific sort of satisfaction, where on one hand you know you ...

Primordial black holes are the earliest black holes thought to exist, and they vanished almost as fast as they came into being. As Stephen Hawking predicted, black holes don’t only draw particles in, ...

Primordial black holes could inhabit the modern-day cosmos, making them responsible for the phenomenon of dark matter, according to new research.

Top Democrats tell us their party is in its deepest hole in nearly 50 years — and ... By the numbers: A deep, comprehensive poll by Democratic pollster David Shor of Blue Rose Research captured ...

More information: Hao Jiao et al, Direct Collapse Supermassive Black Holes from Ultralight Dark Matter, arXiv (2025). DOI: 10.48550/arxiv.2503.19414 Journal information: arXiv ...

In the extremely early universe, primordial black holes could acquire a "dark charge," giving them an unnaturally long lifetime. This makes them an interesting, if exotic, candidate for dark ...