Learn how to use JavaScript’s map() method to transform arrays like a pro, in just 100 seconds. We’ll show you how it works, where it shines, and give you examples that make it click whether you’re a ...

Abstract: JavaScript is a scripting language that is used for creating web pages. It is widely used and a top contender in realworld usage. JavaScript has many dynamic features that makes it ...

Imagine trying to label every star, galaxy, or distant quasar in the sky, millions upon millions of them. Until now, this job relied heavily on a precise but slow method called spectroscopy, which is ...

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

A 150x zoomed-in section of the mosaic featuring spiral galaxies.European Space Agency (ESA) In July 2023, the European Space Agency (ESA) launched Euclid, a space telescope designed to map the ...

This collage highlights a small selection of regions of the Milky Way imaged as part of the most detailed infrared map ever of our galaxy. Here we see, from left to right and top to bottom: NGC 3576, ...

For more than a decade, astronomers from around the globe have been studying our Milky Way galaxy to learn more about Earth’s place in the vast universe. Now, they’ve hit a benchmark achievement — an ...

You often have to make quick judgments about the number of objects you encounter in the world. You might see a group of people walking toward you. It is useful to know whether there are roughly five, ...

A new short-range air defense system is shielding one of Russian President Vladimir Putin's residences in western Russia, according to a new report, as Ukraine maintains its campaign of launching ...