Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, ...

For the past few years, the recipe for building smarter artificial intelligence has been simple: make it bigger. Add more ...

After Netflix's massive Stranger Things series finale, we still have questions about the fates of several significant ...

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...

From a bridge that shook itself shut to a glass tower that focused sunlight like a magnifying lens, these mistakes reveal how tiny oversights can explode into massive costs. This video breaks down six ...

Try as they might, scientists can’t truly rid a space or an object of its energy. But what “zero-point energy” really means ...

A federal judge declined Tuesday to make an immediate decision about whether the suspected 2021 Washington, DC, pipe bomber, Brian Cole Jr., will be held in jail as he awaits trial.

Just when you think you’ve wrapped your mind around computers that can put your dog in front of the Eiffel Tower or chatbots ...

Breathing is something we do unconsciously. But knowing when and how to take conscious deep breaths could unlock a host of ...

About 40 people were killed and around 119 others injured in a fire at a New Year’s party in a Swiss ski resort bar, according to police.