To date, the Voyager 2 probe has provided the only direct measurements of the radiation environment at Uranus. This led to ...

The new planetarium show revealed a backwards S-shaped spiral in what's known as the Oort Cloud far beyond Pluto (American Museum of Natural History via AP) Scientists have solved one of the solar ...

Harvard astrophysicist Avi Loeb's warning that the interstellar object 3I/ATLAS may be pulling a "swarm" of unknown bodies ...

Southwest Research Institute (SwRI) scientists believe they may have resolved a 39-year-old mystery about the radiation belts ...

Ever since the first explorers charted the outer reaches of our Solar System, its true boundaries have remained hazy. While the Voyager probes have gone far into interstellar space, our Sun’s ...

A MYSTERIOUS cosmic object has been spotted zooming through our solar system - and astronomers say it is only the third of its kind. The "fuzzy" object with a "short tail" is no fur-ball alien, but ...

Now researchers say the comet could be older than our solar system by more than three billion years. That would make the rock a whopping 7.6billion years old, University of Oxford astronomer Matthew ...

Folks, it’s official: the object that astronomers recently spotted blowing through the outer solar system came from interstellar space. Yesterday, the intriguing stranger was named A11pl3Z. Now, it’s ...

The cosmos has delivered a visitor, a silent, icy interloper from the darkest reaches of our galaxy, and the world's most powerful eyes are glued to its progress. This is not a scene from a science ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) The interstellar comet, originally called A11pl3Z and now ...