A small mathematical revision to quantum mechanics could effectively limit the purported infinite capacities of quantum computers—if validated, that is.

This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of technology. A $5 million prize awaits proof that quantum computers can ...

After decades of theory, quantum computing is moving toward real-world utility, with breakthroughs in error correction bringing both commercial opportunity and urgent cybersecurity risks closer to ...

After 30 months of fast-paced innovation in quantum algorithms, six research groups are hoping to hit paydirt. But there can be only one big winner—if there is a winner at all.

Quantum Computing Inc. (QUBT) outlook: strong cash, Luminar deal & partnerships, improving valuation, but high volatility and ...

A new quantum system called giant superatoms could protect quantum information and enable entanglement between multiple ...

An American physicist and Canadian computer scientist received the A.M. Turing Award on Wednesday for their groundbreaking ...

Reading time 3 minutes According to physicist Paul Davies, a tried-and-true “quantum” device exploits the odd rules of ...

Quantum AI may become the most consequential technology in human history. Yet it feels like someone else's problem to us.

Charles Bennett and Gilles Brassard pioneered quantum information theory. Now they’ve been awarded the highest honor in computer science.

Charles Bennett and Gilles Brassard were recognized for their foundational work in quantum information science.

Chinese scientists develop 'world's coldest alloy' that could replace helium-3 in quantum computer cooling systems.