The bold question-askers at What If investigate antimatter and whether the universe has an “evil twin” hiding in plain sight.

An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and molecules, and laser-wielding scientists are revealing the action ...

The Avengers are called Earth's Mightiest Heroes, but some of the members are so overpowered that it makes the rest seem ...

Originally introduced as an evil Superman knockoff, Marvel’s Hyperion would, over time, evolve into a more heroic character, ...

Knowable Magazine reports on attosecond science, revealing how scientists study atomic interactions at unbelievable speeds to ...

T-symmetry offers insights into the nature of time, revealing how fundamental physical laws remain invariant under time ...

Quantum mechanics looks at how things work at the atomic and subatomic levels, where particles behave in ways that seem ...

Scientists are on the trail of a mysterious five-particle structure that could challenge one of the biggest theories in ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

Proxima Centauri b is the closest known exoplanet that could be in the habitable zone of its star. Therefore, it has garnered ...

Star Trek is probably the last place one would go to get real-world physics and science, but there are moments where it shows ...