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News
Known physics suggests the early universe should have produced matter and antimatter in equal amounts. Nearly all of it annihilated into radiation, but roughly one extra matter particle survived for every billion pairs—and why that tiny imbalance existed remains one of physics’ deepest unsolved problems.
3+ hour, 27+ min ago (906+ words) The measured net baryon-to-photon ratio is about 6.1 parts in ten billion. Physics can describe the required ingredients for that excess, but no confirmed mechanism made it....
The Universe Changed Its Mind About Expansion
1+ hour, 17+ min ago (29+ words) For billions of years, expansion slowed. Then something changed. About six billion years ago, the Universe crossed a strange cosmic threshold. Nothing …...
Scientists Detect a Mysterious Signal That Could Be Dark Matter
15+ hour, 35+ min ago (509+ words) A mysterious signal deep underground may offer LUX-ZEPLIN its most intriguing clue to dark matter yet. For nearly a century, scientists have been trying to identify dark matter, the mysterious material believed to account for about 85% of all matter in…...
Physicists Just Turned The Entire Planet Into a Dark Matter Detector – And Strange Signals Kept Turning Up
9+ hour, 57+ min ago (218+ words) Physicists have conducted a worldwide hunt for dark matter....
A Faint Stellar Stream Outside the Milky Way Is Revealing Hidden Dark Matter — Curiosmos
18+ hour, 41+ min ago (516+ words) An ancient star cluster is slowly coming apart in a galaxy 115 million light-years away. The thin trail it left behind is giving astronomers a new way to study dark matter beyond the Milky Way. Astronomers have identified the first stellar…...
No, Mirrors Do Not Reverse Right-to-Left
1+ day, 6+ min ago (20+ words) The illusion of horizontal "reversal" in a mirror is not in the glass; it's in our own heads....
Help Refine Data from Space Telescopes with Artifact InSPECtor
1+ day, 10+ hour ago (186+ words) How do scientists studying space with data from a telescope hundreds of thousands of miles away know that what they are seeing is real? A new NASA project, Artifact InSPECtor, invites you to find out – and by doing so, to…...
Dark Matter Season 2: How the Box & Multiverse Travel Really Work
2+ day, 1+ hour ago (425+ words) Dark Matter Season 2 just added another rule to the box's multiverse travel. Season 1 established how superposition and a special drug make interdimensional travel possible, but the process still left questions. Season 2 has now revealed another requirement for reaching a desired…...
We thought the Universe was the same everywhere. But it turns out it could be much stranger than we'd imagined
2+ day, 1+ hour ago (625+ words) We assume the Universe looks broadly the same no matter where you are or which way you look. A study is throwing that assumption into doubt. When scientists say that the Universe is isotropic, it means that on the largest…...