For almost 60 years, a global ban on nuclear weapons in space has held up. But the growing number of satellites and ...

The achievement shows kinetic energy from charged exhaust particles can be converted into useful electricity, but it's still not a working commercial reactor.

Researchers were unsure whether alpha particles would aid or hinder fusion. Simulations suggest they help, by dampening ...

Every time I write about particle physics, I encounter a moment of uncertainty about a quantity that, at first glance, ought to be clear. How many kinds of elementary particles should I say there are?

Stardust Solutions says its tiny spheres can reflect the sun’s rays without harming people or the environment. Critics say private companies have no business altering Earth’s atmosphere. An enclosed ...

Sally Field costars with an octopus in Netflix’s “Remarkably Bright Creatures,” partly because of her furry beast at home. Field read Shelby Van Pelt’s 2022 novel before it was published, and got ...

Canadian AI startup Cohere is taking over Germany-based Aleph Alpha, with the blessing of their governments, in a bid to offer a sovereign alternative to enterprises in an AI landscape dominated by ...

When nuclear accidents happen, many people imagine radiation spreading everywhere and lasting forever. The reality is more complex. Radioactive materials move, change and sometimes disappear faster ...

CHERNOBYL, Ukraine (AP) — On contaminated land that is too dangerous for human life, the world's wildest horses roam free. Across the Chernobyl exclusion zone, Przewalski's horses — stocky, ...