Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

For nearly five decades, NASA’s Voyager 1 and 2 spacecraft have ventured farther than any other human-made object, pushing ...

Explore the immense challenges of traveling beyond our solar system as we examine the limits of distance energy and human ...

There are a few ways you could define the edge of the Solar System – for instance ... which ultimately travels past all the planets to some three times the distance to Pluto before being impeded by ...

This illustration depicts the most distant object yet found in our Solar System, nicknamed "Farfarout," in the lower right. Along the bottom, various Solar System objects are plotted according to ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Have you ever wondered just how big space really is? It’s huge. In fact, it’s astronomical! The Colorado Scale Model Solar System depicts the Sun, the planets, and the distances between them all on ...

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s hiding in plain ...

Astronomers discovered a planetoid orbiting the sun further than any known object in the solar system. Called "Farfarout," the object orbits the sun every 1,000 years. Objects like Farfarout could ...

It's equivalent to the glow of 10 fireflies spread across the entire night sky. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Did someone leave ...