Physicists are quietly rewriting the rulebook for how we might cross the gulf between stars, not by bolting bigger rockets to ...

Time travel has long lived in the realm of science fiction, but a prominent futurist now argues that humans could effectively ...

Even if it turns out that time loops never take shape, studying them provides key insights into the deepest rules of reality.

Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on ...

Combining two kinds of quantum computing devices could be just the trick for taking better images of faint, faraway ...

Researchers have designed a new device that can efficiently create multiple frequency-entangled photons, a feat that cannot be achieved with today's optical devices. The new approach could open a path ...

D-Wave, one of the industry's rising stars, is continuing to make progress toward scalable quantum computing technology.