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Phys.org / Dark matter, not a black hole, could power Milky Way's heart
Our Milky Way galaxy may not have a supermassive black hole at its center but rather an enormous clump of mysterious dark matter exerting the same gravitational influence, astronomers say. They believe this invisible substance—which ...
Phys.org / Webb unveils nature of distant ultraviolet-luminous galaxy CEERS2-588
Astronomers from the University of Tokyo in Japan and elsewhere have employed the James Webb Space Telescope (JWST) to observe a distant ultraviolet-luminous galaxy known as CEERS2-588. Results of the observational campaign, ...
Phys.org / SpaceX seeks FCC nod to build data center constellation in space
SpaceX is requesting permission to launch as many as 1 million satellites into the Earth's orbit in order to pull off Elon Musk's latest grand vision of putting data centers in space to do complex computing for artificial ...
Phys.org / A 'crazy' dice proof leads to a new understanding of a fundamental law of physics
Right now, molecules in the air are moving around you in chaotic and unpredictable ways. To make sense of such systems, physicists use a law known as the Boltzmann distribution, which, rather than describe exactly where each ...
Phys.org / Pulsar timing hints at a nearby dark matter 'sub-halo'
A group of US astronomers may have uncovered the first evidence for a dark matter sub-halo lurking just beyond our stellar neighborhood. Reporting their findings in Physical Review Letters, a team led by Sukanya Chakrabarti ...
Phys.org / Scientists discover 'levitating' time crystals that you can hold in your hand
Time crystals, a collection of particles that "tick"—or move back and forth in repeating cycles—were first theorized and then discovered about a decade ago. While scientists have yet to create commercial or industrial ...
Medical Xpress / Q&A: Cannabis usage in middle-aged, older adults linked to larger brain volume, better cognitive function
Research studying the effects of cannabis on the brain has often focused on adolescents, but a new study from CU Anschutz researchers looks at population-level impacts of cannabis usage on the brain in older adults. The work ...
Phys.org / Extreme plasma acceleration in monster shocks offers new explanation for fast radio bursts
In a new study published in Physical Review Letters, scientists have performed the first global simulations of monster shocks—some of the strongest shocks in the universe—revealing how these extreme events in magnetar ...
Phys.org / Lahontan Basin cave burials 'neither rare nor uncommon,' says new study
In a study published in American Antiquity, Dr. David Madsen and his colleagues address the proposition that the lower Lahontan drainage basin (LLDB), located in the Intermountain West, is "unique" for the use of caves and ...
Phys.org / Exposure to burn injuries played key role in shaping human evolution, study suggests
Humans' exposure to high temperature burn injuries may have played an important role in our evolutionary development, shaping how our bodies heal, fight infection, and sometimes fail under extreme injury, according to new ...
Phys.org / New study uses Neanderthals to demonstrate gap between generative AI and scholarly knowledge
Technological advances over the past four decades have turned mobile devices and computers into the world's largest library, where information is just a tap away. Phones, laptops, tablets, smartwatches—they're a part of ...
Phys.org / Glimpsing the quantum vacuum: Particle spin correlations offer insight into how visible matter emerges from 'nothing'
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have uncovered experimental evidence that particles of matter emerging from energetic subatomic smashups retain a key feature of virtual particles ...
