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Is the universe really one big black hole?
According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could the whole cosmos be a black hole? Source link
Galaxies fling out matter much more violently than we thought
An analysis of the afterglow of the big bang sheds light on how black holes distribute mass in the universe, and why some matter previously seemed to have been missing Source link
Nobel prize for medicine goes to trio for work on immune tolerance
The 2025 Nobel prize in physiology or medicine has gone to Mary Brunkow, Fred Ramsdell and Shimon Sakaguchi for their discoveries around how we keep our immune system under control Source link
Exceptional star is the most pristine object known in the universe
A star found in the Large Magellanic Cloud is remarkably unpolluted by heavier elements, suggesting it is descended from the universe’s earliest stars Source link
Read an extract from Our Brains, Our Selves by Masud Husain
In this passage from Our Brains, Our Selves, winner of the Royal Society Trivedi Science Book Prize, neuroscientist Masud Husain recounts how novelist Marcel Proust became convinced, wrongly, that he’d had a stroke Source link
New Scientist recommends Chris Hadfield's Final Orbit
The books, TV, games and more that New Scientist staff have enjoyed this week Source link
Do black holes exist and, if not, what have we really been looking at?
Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if they are instead gravastars, fuzzballs or something else entirely Source link