Fermilab’s @ScottDodelson on Cosmology’s Crisis Timestamps: 0:00 None of it has been found in a lab. How many free passes do we get? 0:44 Dodelson helped build Lambda-CDM. His dream is to kill it. 2:10 10 years. One prediction. Two and a half sigma off. 5:42 "You're in charge" - what mentorship in science actually looks like 6:56 April 24, 1992: cosmology stopped being speculation 9:48 Geoff Burbidge went to his grave a steady-state believer 11:04 What a neutrino is and why it barely interacts with anything 12:36 Brian told Neil deGrasse Tyson we already detected dark matter 18:08 How ordinary neutrinos may have become dark matter 23:24 Lambda-CDM predicts Manhattan's density 13.7 billion years later 26:42 Two and a half sigma: technically a 1% chance the theory is right 28:04 Neptune was dark matter. Vulcan wasn't. Which one are we in now? 31:20 Dark matter, inflation, dark energy: none found in a lab 36:46 If both cracks are the same crack, Lambda-CDM is finished

When invisible forces weave the architecture of the cosmos. At the heart of plasma cosmology lies a delicate balance between pressure and electromagnetism, elegantly captured by the magnetic pinch equation ∇p = j × B. As electric currents flow through cosmic filaments, they generate swirling magnetic fields that compress matter into vortical structures. Math reveals the hidden geometry shaping the universe.

LandSpace's 'Zhuque-3': Zhuque (朱雀) is a mythical bird from ancient Chinese cosmology. It is one of the "Four Symbols" (along with the Azure Dragon, White Tiger, and Black Tortoise 青龙、白虎、朱雀、玄武 ) and represents the south, fire, and the summer season. It's often seen as a guardian spirit, bringing good fortune. Chinese space missions frequently borrow names from mythology/history (like Shenzhou 神舟 "Divine Vessel" or Chang'e 嫦娥 the Moon Goddess).

NASA has begun a new mission to probe some of the biggest mysteries in astrophysics and cosmology with the launch of the US space agency's new flagship ⁠astronomical observatory

A fresh quantum cosmological framework indicates that existence may unfold in perpetual exact cycles. For many years researchers in cosmology have confronted the troubling Boltzmann brain paradox. In an unbounded, cooling cosmos random quantum fluctuations would far more readily generate isolated conscious minds complete with illusory histories than produce genuine universes populated by evolved beings. Consequently every recollection you hold could have crystallized mere moments earlier through pure statistical chance. Quantum cosmologist Sean Carroll together with collaborators, has advanced a contrasting picture. Rather than transient accidental entities within a lifeless expanse, observers may inhabit a precisely periodic quantum cosmos that recurs without end. In their mid-2026 study Carroll, Nadiia Diachenko and Saakshi Dulani identified a mathematical pathway within quantum theory that permits a stable repeating universe. Through precise alignment of energy eigenvalues the model sidesteps the predominance of random Boltzmann brains, moving smoothly from low-entropy expansions resembling the Big Bang through contractions and back again. Should the proposal prove correct, each dialogue, choice and cherished recollection has already occurred infinitely often and will continue to do so indefinitely. Although the notion of endless recurrence may appear imposing, it supplies an orderly scaffolding for existence and affirms that consciousness constitutes a durable aspect of the cosmos. [Carroll, S. M., Diachenko, N., & Dulani, S. (2026). Toward a phenomenologically acceptable quantum cyclic universe. arXiv. DOI: 10.48550/arXiv.2605.30405]

Not a Tired-Light Model: Affine Geometric Stretch with Local Remission and Conserved Energy Lmax_v11: Photon-Stretch Geometry, Affine-Parameter Cosmology Fundamental Affine Parameter Ψ(d,Φ,B) = 1 - d/Lmax(Φ,B) Ψ measures the remaining geometric span available to a photon relative to the local affine limit. All observable quantities derive from Ψ. (1) Interaction & Survival ρI(d,Φ,B) = E0/d · Ψ Psurv = Ψ Lmax(Φ,B) = 72 Gly · (1 - Φ/c² - βB·B²/B0²) t = d/c Note: Φ = local gravity, B = magnetism. Voids → Lmax ≈ 72 Gly. Clusters → Lmax ↓. (2) Redshift & Distance 1 + z = 1/Ψ d(z) = Lmax · z/(1 + z) t = d/c Redshift measures geometric dilation relative to Lmax. Gravity suppresses Lmax; voids preserve it. (3) Light Path d = d0 · (1 + κ + κΦ + κB) t = d/c κΦ = gravity stretch. κB = magnetic twist. Path terms are averaged over field variations. (4) Flux / Dimming F = L0/(4πd²) · Ψ² Geometric spreading and affine dilation are both controlled by Ψ. (5) Angular Size θ = Dphys/d d already includes κΦ and κB corrections. Time-averaged fields preserve angular sharpness. (6) Edge Condition Ψ(d = Lmax) = 0 Psurv(d = Lmax) = 0 tmax = Lmax/c The affine boundary is not uniform. Clusters ≈ 71 Gly. Voids ≈ 76 Gly. (7) Lensing Deflection α = 4GM/(c²b) + αB Mass bends the path and contributes to Φlocal, reducing Lmax. Magnetic fields contribute αB. (8) Lens Equation β = θ - (dls/ds)(α + αB) dls and ds already include κΦ and Φlocal effects. (9) Magnification μ = 1 / |(1 - κlens - κB)² - γ²| Fobs = μL0/(4πd²) · Ψ² Magnification, shear, and affine dimming remain coupled through κlens, κB, and Lmax. (10) Local Remission Llocal = 1 - ηεβB Atomic-scale remission behaviour. βB provides the bridge between local processes and global Lmax structure. (11) Conservation η = 1 ⇒ Nγ,out ≥ 0 Energy is conserved. Photons are continually absorbed and re-emitted, with wavelength and path evolution governed by local Φ and B conditions. Not a Tired-Light Model: Affine Geometric Stretch with Local Remission and Conserved Energy Lmax_v11 attributes cosmological redshift and flux dimming to progressive geometric dilation of the photon’s electromagnetic field as it approaches a finite affine-parameter limit \(L_{\max}(\Phi,B)\). The governing quantity is the remaining span so that \(1+z=1/\Psi\) and flux scales with \(\Psi^2\). Unlike classic tired-light proposals, which remove energy from the photon itself, the framework maintains strict energy conservation (Eq. 11: \(\eta=1\implies N_{\gamma,\rm out}\ge0\)). Photons are continually absorbed and re-emitted; wavelength and path evolution are set by the local gravitational potential \(\Phi\) and magnetic field \(B\). Any residue that appears at the affine boundary is treated as a non-radiative geometric contribution, not an irreversible energy sink. The dual-frame construction further separates a local “birth” redshift (recovering standard GR/SR factors) from the transit stretch, keeping the accounting closed while preserving the raw observational catalogues.

NASA's new flagship astronomical observatory launched into space from Florida on a mission to probe some of the biggest mysteries in astrophysics and cosmology. READ:

Since introducing Empirical Research Assistance last fall, Google Research scientists have been using it to address real-world applications in epidemiology, cosmology, atmospheric monitoring, and neuroscience, providing a hint of AI’s transformational capabilities to accelerate scientific discoveries. Learn more →

Conversations in Action episode #13# with former @NASA astronaut and @MIT professor Jeffrey Hoffman is out. He thinks: - returning to the Moon via Artemis is actually riskier than Apollo due to far less funding and testing; - there is a 100% probability of life existing elsewhere in our galaxy, and a 50/50 chance native to our solar system; - the Roman Space Telescope will transform cosmology using a mirror originally built for classified military satellites; - MOXIE's oxygen technology is essential for human Mars missions, saving 450 tons of launch mass needed to send 30 tons of return propellant; and - zero-g manufacturing (such as flawless fiber optics) is the likeliest path to space's first trillion-dollar industry.