Multiverse Computing SL, a Spanish artificial intelligence software company, is in discussions to raise about €500 million ...

The transaction will see the company hit a $1.8 billion valuation.

A gold superconducting quantum computer hangs against a black background. Quantum computers, like the one shown here, could someday allow chemists to solve problems that classical computers can’t.

Claims of leaps in quantum computing are made almost daily, but progress is hard to judge when each research group uses its own mixture of hardware, algorithms and evaluation metrics, making it near ...