November 2, 2026 Opinion Quantum Security & PQC Readers Can Judge a Claimed Quantum Result With Seven Questions and the Documents Behind It
October 29, 2026 News Quantum Security & PQC Alice & Bob Estimates 22,593 Cat Qubits Could Factor RSA-2048 in 3 Days if Bit-Flips Are Eliminated
October 27, 2026 News Quantum Security & PQC Iceberg Quantum Says 72,000 Physical Qubits Could Factor RSA-2048 in 3.7 Days, in an Update Published Without a Paper
October 20, 2026 News Quantum Computing Quantinuum Reports a Logical Error Rate of 5 in a Million per Round on Its Helios Computer
October 18, 2026 News Quantum Systems Integration IBM Researchers Use AI Agents to Cut a Quantum Decoder Design’s Estimated Latency Up to 204-Fold
October 17, 2026 News Quantum Research Google Researchers Cut Magic-State Error About 40-Fold on Willow Using Cultivation
October 12, 2026 News Quantum Policy & Sovereignty Energy Department Names Eight Science Problems for Judging Its First Fault-Tolerant Quantum Computers
October 10, 2026 News Quantum Research IBM and Rutgers Researchers Control Quantum Chaos on 100 Physical Qubits Using Mid-Circuit Resets
October 6, 2026 News Quantum Research Google Researchers Report a Tenfold Qubit Saving in Simulations of Modular Error Correction
October 1, 2026 News Quantum Research QuTech Researchers Build Leakage Removal Into Superconducting Qubit Measurement
September 27, 2026 Analysis Quantum Systems Integration Error-Correction Loops Are for Sale and Pass Small Timing Tests, but Scaling Them Remains Unproved
September 27, 2026 News Quantum Computing Infleqtion Reports 30 Error-Detected Logical Qubits on Its Sqale Neutral-Atom Computer
September 24, 2026 News Quantum Research Microsoft and Qolab Researchers Propose Four Conditions for a Scalable Logical Qubit
September 23, 2026 News Quantum Systems Integration IonQ Researchers Decode a Simulated 408-Logical-Qubit Computer in Real Time on One Laptop Processor
September 18, 2026 News Quantum Security & PQC Sydney-Led Team Cuts Logical Error Rate Up to 2.8-Fold by Excluding Defects on an IBM Chip
September 17, 2026 News Quantum Policy & Sovereignty Energy Department Plans up to $215 Million for Quantum Computers With at Least 100 Logical Qubits
September 16, 2026 News Quantum Research Penn Researchers Entangle Four Physical Qubits in Diamond at Room Temperature With a Single Gate
September 15, 2026 News Quantum Research Researchers Show Surface-Code Error Suppression on IBM Heavy-Hex Chips, One Error Type at a Time
September 15, 2026 News Quantum Computing Infleqtion Compiles an 18-Logical-Qubit Error-Correcting Code With NVIDIA’s CUDA-Q Logical but Has Not Run It on Hardware
September 11, 2026 News Quantum Systems Integration Xanadu and AMD Launch Backline With a 2.3-Microsecond FPGA-to-CPU Round Trip, Measured Without a Quantum Processor
September 11, 2026 News Quantum Systems Integration Riverlane Validates QECi on Altera FPGAs and Times a 6.9-Microsecond Correction Loop With Qblox on Emulated Qubit Data
September 10, 2026 Analysis Quantum Industry QuEra Needs Libra to Turn Years of Published Results Into a Large Computing Business
September 10, 2026 News Quantum Research Quantum Processors Fall Roughly Five Orders of Magnitude Short of Two Target Problems, Sandia-Led Team Reports
September 9, 2026 News Quantum Computing Quantinuum Reports Logical Memory, Clifford Gates, and a Cross-Code Link With Its Helix Code
September 4, 2026 Analysis Quantum Systems Integration What Quantum Decoders Do, and How Error-Correction Decoding Limits Fault-Tolerant Machines
August 19, 2026 News Quantum Research Physicists Predict an Oscillating Supercurrent in Andreev Qubits and Propose It for Readout
August 6, 2026 News Quantum Research Qarakal Bases Its Tenfold Qubit Claim for Pangaea on an Extrapolated Single-Merge Count
August 6, 2026 News Quantum Research D-Wave Researchers Report a Two-Qubit Gate for Dual-Rail Erasure Qubits Whose Errors Are Mostly Detectable
August 2, 2026 News Quantum Research HRL Researchers Run Silicon Spin Qubits From a Controller Inside the Refrigerator
August 1, 2026 News Quantum Research IBM Declares a ‘Quantum Advantage Era’ Based on Three Heron Preprints
July 21, 2026 News Quantum Computing Quantinuum and SoftBank Place Chemically Accurate Simulation on 2030s Hardware in Joint White Paper
July 12, 2026 News Quantum Research Google Researchers Use Reinforcement Learning to Tune Willow’s Controls Across Error-Correction Runs
July 2, 2026 Analysis Quantum Systems Integration Where Quantum Computing’s Modular Boundaries Are Forming
June 16, 2026 News Quantum Industry QuEra Projects More Than 256 Logical Qubits for Libra, Due on Amazon Braket in 2028
June 9, 2026 Analysis Quantum Systems Integration Quantum Computing Still Lacks a Portable Control Stack for Fault-Tolerant Machines
June 5, 2026 News Quantum Research IonQ Researchers Report Breakeven qLDPC Error Correction on 40 Trapped Ions, in a Preprint
June 4, 2026 News Quantum Research Atom Computing Reports Up to 90 Cycles of Toric-Code Error Correction While Replacing Lost Atoms
June 3, 2026 News Quantum Industry Oxford Quantum Circuits Raises £260 Million in a Series C Led by Bullhound Capital
June 2, 2026 News Quantum Industry IBM Plans to Invest More Than $10 Billion in Quantum Computing Over Five Years
May 10, 2026 News Quantum Industry CAS Cold Atom Unveils Hanyuan-2, a Neutral-Atom Computer With Two 100-Atom Arrays
March 31, 2026 Analysis Quantum Security & PQC The Smallest Shor’s Algorithm Estimates Rely on Slow Runs and Hardware Not Yet Demonstrated
March 27, 2026 News Quantum Computing Three Ways to Build Silicon Spin Qubits, Compared Through Each Group’s Published Results
March 24, 2026 News Quantum Research Shenzhen Team Runs a Universal Set of Logical Gates on Phosphorus Spins in Silicon
March 21, 2026 Analysis Quantum Research Tim Palmer’s Proposed 1,000-Qubit Ceiling Is Untested Physics and No Reason to Delay Post-Quantum Migration
March 20, 2026 News Quantum Systems Integration IBM Publishes a Three-Phase Reference Architecture for Joining Quantum Processors to Supercomputers