Next month it will have been 80 years since the Japanese cities of Hiroshima and Nagasaki were devastated by nuclear attacks.

NASA's Relay 2 satellite had been dormant since 1967 — until last summer, when it emitted a very powerful burst of energy.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Researchers at Colorado State University have developed a new photoredox catalysis system that uses visible light mimicking ...

For years, astronomers puzzled over the mystery of where the heaviest elements in the universe—like gold, uranium, and ...

A powerful X-class solar flare erupted on June 19, disrupting radio signals and potentially setting the stage for geomagnetic ...

It would be the most severe and abrupt disruption to global ecological systems. Yet in many mainstream climate narratives, it ...

Astronomers have identified a new kind of cosmic explosion extreme nuclear transients so powerful they outshine typical ...

Using the world's largest solar telescope, a team of scientists has captured one of the most detailed views ever of a ...

These explosions, called extreme nuclear transients, shine for longer than typical supernovas and get 30 to 1,000 times as bright.