If ever spotted in the emptiness of space, according to theoretical physicist Eugeny Babichev of the University of ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

Quantum entanglement happens when two particles become interconnected and share a single state. Scientists have measured how ...

A crop of asteroids discovered by the new Vera C. Rubin Observatory is wowing astronomers, with one of the space rocks ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Inside the Large Hadron Collider, protons slam together at nearly the speed of light, creating a brief fireball of quarks and ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

Particles from Earth’s atmosphere have been carried into space by solar wind and landing on the moon for billions of years, mixing into the lunar soil, according to a new study.

Using the Super Proton Synchrotron, the team created beams of electron-positron pairs and passed them through a meter-long region of plasma. This setup served as a scaled laboratory version of a ...

By tracing solar flare gamma rays, scientists gain new insight into particle behavior that shapes space weather forecasts.

Measuring just 200 by 300 by 50 micrometers — smaller than a grain of salt and roughly the size of a single-celled paramecium ...

Scientists have uncovered an unexpected breakdown of nuclear order in a remarkably symmetric atom, challenging long-standing ...